Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Structures & Hardware Categories
Best Choice HFCENXIE 
Hidden Door Hinge,570Lbs Load-Bearing Thickened Solid Stainless Steel - Heavy Duty 360° Swinging Pivot Hinge for Secret ⊪【Sturdy Metal Construction】The sturdy metal structure is made of thick solid stainless steel, which is sturdy and durabBest Value Neween 
Sun Shade Sail Hardware Kit Triangle, 5 Inch 304 Marine Grade Stainless Steel for Rectangle and Square Sun Shade Sail In HIGH QUALITY: This 5-inch sun shade sail installation kit is made of high quality 304 marine grade stainless steel. GradFafeicy 
Fafeicy 10Pcs 2 Hole Joining Plate Aluminum Flat Connecting Reinforcement Plate for Vertical Connection in Construction Aluminum Material: This joining plate is made of premium aluminum with oxidation surface, ensuring strength and durabiliIndependently published 
COMPUTER ARCHITECTURE IN DEPTH 2025–2026: Hardware Structures and Computational Engineering for High-Performance Systems Fafeicy 
Fafeicy 10Pcs 2 Hole Joining Plate Aluminum Flat Connecting Reinforcement Plate for Vertical Connection in Construction Aluminum Material: This joining plate is made of premium aluminum with oxidation surface, ensuring strength and durabiliJROUTH 
JROUTH 360 Pcs M6-1.0 M8-1.25 Flanged Hex Head Bolt Kit, Class 10.9 Alloy Steel, Black Zinc Plated, M6 X 12-30mm & M8 X Flanged Hex Bolts Specification: M6 Bolts Pitch 1.0 mm. Thread Diameter 6 mm; Screw Length include: 12mm/16mm/20mm/25mm/Ipetboom 
Ipetboom 16 Sets Cage Nut and Rack Mount Screws with Nickel-plated Rust-resistant Surface for Server Rack Installation H Rack nuts and screws:smooth surface and no burrs, great workmanship, sturdy and durable to use,rack mount hardwareANKROYU ANKROYU 10pcs/Set Aluminum Spacer, Aluminum Alloy Interval Structure Support Fittings, High Strength Cylinder Support Fi 【Versatile Gasket】With a myriad of applications, this gasket serves as a reliable connector for loose workpiece parts, oAIWFL AIWFL 2Pcs Folding Lift Up Top Table Hinges Coffee Table Lifting Frame Gas Hydraulic Hinge Hardware Mechanism Spring Hin 【Sturdy Structure】The components of coffee table lift hinges are made of thickened cold-rolled steel, featuring strong lAnnadue DC 12V Miniature Electromagnetic Lock, Electric Control Lock for Cabinet Drawer Box, Instantaneously Power on to Unlock, Instantaneous Unlock: Power on to unlock instantly, providing quick and easy accessDpofirs Inductors, 145Pcs 10uH-10mH 12 Portable Mini Values Choke Vertical Inductors Assorted Kit with Special Guide Pin Structu Small vertical inductors occupy less space.APRILSOUL APRILSOUL 4x4 Pergola Kit, Includes 4 Three-Way Corner Brackets and Post Bases for 3.5" Wood Posts, Durable Right Angle High quality materials:The pergola accessories are made of 0.1 inch thick aluminum alloy material, completely covered wiaglehome Aglehome Pivot Hinge, Heavy Duty Pivot Door Hardware for Hidden Door Bookcase Hidden Door Hinge for Wood Secret Door 180 Sturdy Metal Construction The pivot hinge is made of high quality stainless steel, which was welded by professional weld通用 200pcs 10mm Tile Spacers, Brick Spacers is Cross Shaped Joints Plastic Hollow Structure, Paving Slab Spacers for DIY Pav 【Package Included】 200 pieces 10mm cross shaped tile spacer，1 pieces gap removal tool.Generic Generic Tubular Key Lock for Vending Machines | Fits Most T Handle Locks - Soda Machine Locks | Zinc Alloy Structure | 3 Access Convenience: With 3 keys equipped, our Vending Machine Lock makes sure multiple keys access control. It's easy anACOSIY 2 Pack Pocket Door Rollers Assembly, 0.7 Inch RV Closet Roller Wheel Replacement with Top Hanger, RV Sliding Door Hardwa 【 Durable Materials 】 Sliding door rollers feature a solid metal base and smooth-rolling plastic wheels for good, quietAlise Alise Glass Shelf Bracket,Adjustable Clamp Brackets for Shelves,Wall Mount Clamps for 5-8mm Glass Shelves,Bathroom Clip 【Quality Material】The glass clamp are made of high quality zinc alloy, able to resist daily corrosion and oxidation, ensESPETS ESPETS 2 Pack 17 Inch Metal Playground Accessories Safety Handles Yellow, Playset Grab Handles, Swing Set Attachment Han QUALITY STEEL GRAB BARS: Include 2 handles, made of high quality steel pipe and thick metal plate, the surface with greeCryfokt Cryfokt 10Pcs Rustproof Eye Screw Stainless Steel Durable Threaded Bolts for Hanging Objects Fixing Hardware for Daily L [DURABLE AND RUST-RESISTANT] Made of 304 stainless steel to prevent rust and oxidationFUNFANG FUNFANG Nylon Kayak Pressure Gauge, SUP Board Air Pressure Meter for Inflatable Boat, Easy Operation for Barometer, Valv [Multifunctional Design] Can also be used as a valve adapter, thanks to its special connection structure.STUIPIUL 150 Pcs Universal Key Fob Hardware 1 Inches Sturdy Zinc Alloy Key Fob Hardware Set for Wristlet Lanyard Chain Tag DIY Cr Applicable to Multiple Scenes : This keyfob hardware is suitable for DIY crafts , handmade sales , school teaching , corGENERIC Tool Box Organizer | Double-sided 34-compartment, Portable -, Drill Bit Storage Bolt And Nut Case With Lid For Hardware Dual-Sided Organization: Designed with 34 compartments across a dual-sided layout, the tool box ensures screws and smallVomika Sliding Barn Door Lock Hardware, 90/180 Degree Heavy Duty Gate Latches, Flip Safety Door Bolt Latch Lock, Applicable for 【 Safety & Privacy】 Don't worry about children or strangers intruding accidentally, affecting the privacy space you needJectse Stainless Steel Welding Taper Feeler Ruler 1 to 15mm, Clearly Marked Graduation, Simple Structure, Fine Workmanship, Mea The graduation are clearly marked for convenient reading.OZXNO OZXNO Antique Hook Hasp Latch, 4-Pack Retro Bronze Tone Swing Lock Clasp Zinc Alloy Hook Latch with Replacement Screws f Antique Bronze Tone Horns Latch with swing arm designed, simple structure, ideal for furniture decoration, locking and p11% Off POPETPOP POPETPOP Keyed T-Handle Garage Door Lock Universal Locking T-Handle Heavy-Duty Door Hardware Kit Sturdy T-Handle Lock: Our T-handle lock is expertly crafted for maximum durability and practicality, making it the perfeLAPYAPPE LAPYAPPE 16 Sets M6X20Mm Cage Nuts and Rack Mount Screws for Server Racks, Square Insert Mounting Nuts with Floating Cag Rack nuts--standard , fast and convenient to install and use, saving time,rack nuts and screwsBAYTORY Cabinet Hardware Jig Punch Drill Guide Locator [Upgrade Punching Locator] -High precision ruler, the fastest and most accurate design for installing kitchen drawers, cPwshymi Grommet Kit Easy Installation Strong Structure 2mm Plated Copper Mini Grommets with Plastic Storage Box for Shoes Bags C Material The metal grommet set is made of high quality copper, which has a strong structure and is not easy to rust andBAYTORY Cabinet Hardware Jig Punch Drill Guide Locator [Upgrade Punching Locator] -High precision ruler, the fastest and most accurate design for installing kitchen drawers, cBLCCLOY BLCCLOY 3Pcs 60deg, 3Pcs 120deg 2020 Aluminum Extrusion T Slot Angle Bracket 20 Series Extruded Hardware 60 Degree Joint Contain: 3pcs 60deg, 3pcs 120deg 20 series extrusion black angle brackets, 12pcs galvanized t-slot 20 series nuts, 12pcsTorquata Torquata 118 Piece T-Track Hardware Variety Kit with Knobs & Bolts in Carry Case 118 brilliantly manufactured T-Track accessories to create the perfect woodworking set upGeneric Headboard Attachment Kit | 2piece Mount Hardware Adapter - Sleep Headboard Brackets,for Base Footboard Mattress Wall Bed Long-Lasting Metal Construction: The headboard adapter brackets utilize a reinforced load-bearing structure made of thicSHINEOFI SHINEOFI 20pcs Flexible Frame Kiss Buckle DIY Bag Flex Frame Metal Internal Flex Frame Purse Flex Frames Silver Handbag Internal handbag hinges-- replace your old or broken internal flex frame with a new one, which can be used for a long tiCryfokt Cryfokt 2PCS Boat Bimini Top Deck Hinge Mount, 316 Stainless Steel Marine Hinges with Pin, Fitting Hardware for Yachts/P Enhanced Stability With Unique Design: Featuring an innovative curved mountain structure and dedicated locking plate desIndependently published Hardware Structures for Finite Impulse Response Filters Butterworth-Heinemann Ltd Aircraft Materials, Hardware and Structures gernie Pocket Door Wrench, 2PCS Pivot Adjustment Tool, 3/8in Open Wrench, 5/16 Inch Socket, 3in Length, Stainless Steel, for Sl Stainless Steel Material: Crafted from premium stainless steel, the pivot adjustment wrench's sturdy structure ensures s10% Off TEHAUX TEHAUX Spring Loaded Recessed Handle with Padded Grip 6.3 Inch Metal Pull for Flight Case Cabinet Hardware Easy Installa Spring Loaded Grip Handle: Featuring an 8mm spring loaded mechanism, this aircraft box handle ensures smooth lift and re23% Off PEARSON EDUCATION Clean Architecture: A Craftsman's Guide to Software Structure and Design: A Craftsman's Guide to Software Structure and What are the best high level structures for different kinds of applications, including web, database, thick-client, consTOVINANNA TOVINANNA 16pcs Black Iron Cabinet Handles Shell-Style Drawer Knobs Vintage Half-Round Decorative Furniture Pulls for Ho Cup cabinet knob-- high toughness, not easy to break, simple operation, easy to use, easy to install.uxcell uxcell M4x10x1mm Square Washers, 24pcs Square Plate Washers Square Strut Washer Bearing Plate 304 Stainless Steel Flat P Material: 304 Stainless Steel; Size: 4x10x1 mm / 0.16x0.39x0.04 inchWEITELAI 4 Pairs Flush Mount Bracket,Interlocking Furniture Connector,Stainless Steel Heavy Duty Photo Frame Hook Picture Hanger ★ Extremely Sturdy - YSKmanhuo Flush mount brackets with Z clips interlocking design provide ultimate safety to preventWELANE WELANE Metal Swivel Clasps, 50 Set Key Chain Hooks Clips with Key Rings for Keychain Making, Lanyard Making, Purse Hardw 【Durable Material】The lobster claw hook is made of high-quality metal material. With excellent durability and rust resisLongdex Longdex Flexible Draw Latch 4'' Soft Black Rubber Over-Center Concealed Toggle Latch with Concealed Keeper Internal buckle hook, compact structure, saving installation space.Veemoon Veemoon Stainless Steel Bathroom Partition Fittings Toilet Partition Hardware for Public Restroom Anti-Rust Silver Bathr Stainless toilet partition hardware kit--the beautiful silver color, unique and stable design play a very good decorativTopHomer 4PCS Quick Release Pin, Stainless Steel Bimini Top Pin Marine Hardware 【High Quality】Preferably stainless steel, strong anti-rust, acid-alkali resistance and corrosion, suitable for harsh envDaisypower Daisypower Window AC Support Brackets,Up to 200lbs,Fits 9000 to 24000 BTU Air Conditioner Units,Heavy Duty 2 Arms Stable [ EASY INDOOR INSTALLATION ] - No exterior work needed, the whole installation can be done indoor, just drilling 6 holesDaisypower Daisypower Window AC Support Brackets,Up to 200lbs,Fits 9000 to 24000 BTU Air Conditioner Units,Heavy Duty 2 Arms Stable [ EASY INDOOR INSTALLATION ] - No exterior work needed, the whole installation can be done indoor, just drilling 6 holesuxcell uxcell Small Tiny Brass Nails 1.2x15mm for DIY Wooden Hardware Accessories 50pcs Total Length: 15mm / 0.59"; Rod Dia.: 1.2mm / 0.05"; Head Dia.: 2.5mm / 0.1"; Package Content: 50pcs x Brass Tiny NailHilitchi Hilitchi 64PCS M8 Brad Hole Tee Nut Carbon Steel Screw in T Nuts Round Base Mounting Hardware Fitting Fastener Flange In ✅【FASTENER CARBON STEEL】Quality carbon steel material , great workmanship, clear thread, corrosion resistant, not easy tDemeras Demeras Zinc Alloy Buckle Cargo Belt Buckle for Lashing Strap Practical Hardware Mounting (25 mm) Premium zinc alloy: buckles are made of high-quality zinc alloy material, are strong and durable, have strong fracture suxcell uxcell Small Tiny Hardware Brass Nails 1.2mmx20mm(DXL) for DIY Wooden Boxes Accessories 120pcs Total Length: 20mm / 0.79"; Rod Dia.: 1.2mm / 0.05"; Head Dia.: 2.5mm / 0.1"; Package Content: 120pcs(+/-5%) x Tiny NailBaotyJie BaotyJie Server Industrial Control RACKMOUNT Computer Chassis 450 Structure 4U Height Sturdy Equipment Accessory Rack Se 【Spacious Expansion】Features a standard 4U height and 450 structure with multiple hard drive bays, allowing flexible setGatuida Gatuida 10 Sets M8 Crescent Moon Four-in-one Panel Furniture Connectors Bed and Table Fasteners Wardrobe Assembly Hardwa Parts for furniture-- panel furniture four- in- one connectors table bed assembly fastenersTSMST TSMST 6FT Sliding Barn Door Hardware Kit, Top Mount Stainless Steel Heavy Duty Sturdy Barn Door Track for Single Wood Do ❤️High Quality Material: For those who want to make their sliding door more attractive, TSMST's barn door hardware kit iDONFAMDS DONFAMDS Spring Loaded Toggle Latch Hasp Stainless Steel Adjustable Case Latch Clasp for Toolboxes Drawers Chests Heavy Quick operation: the springloaded mechanism allows for quick and easy operation, making it convenient to open and closeCryfokt Cryfokt ITX Computer Open Case Bracket Aluminum DIY Bare Frame for Good Heat Dissipation Split Hardware (Green Silver) [SUPERIOR COOLING PERFORMANCE] The ITX Computer Open Case Bracket promotes effective heat dissipation by optimizing airfGeneric Tractor Door Handle Assembly, Door Latch Door Handle Lock, Metal Door Hardware Replacement Parts, Safety Door Handles, T Widespread Use: Designed for widespread use across forklifts, tractors, heavy equipment, and electric tricycles, this doTSMST TSMST 6.6FT Sliding Barn Door Hardware Kit, Top Mount Stainless Steel Heavy Duty Sturdy Barn Door Track for Single Wood ❤️High Quality Material: For those who want to make their sliding door more attractive, TSMST's barn door hardware kit iSewroro Sewroro Stainless Steel Bathroom Partition Fittings Kit Public Restroom Hardware with Strong Bearing Capacity and Stable Bathroom partition hardware:strong support and partition capabilities, and fine details ensure its practicality,hinge kiXinsheinelry Clipboard with Rivets Clip Mountable Clipboard Clamp Metal Clipboard Hardware Hanging Hole Office School Office Supplies Spring and frame craft made of sturdy and thick metal, not easy to rust, stable to useGOKENA GOKENA Drawer Parts Storage Bin Cabinet, 25 Drawer Parts Storage Hardware and Craft Cabinet, Suitable for Storing and So Quality Materials: Our drawer parts cabinet is made of quality PVC materials, which have a strong structure and are notFwQoFvk FwQoFvk 25 Grids Hardware Storage Organizer Plastic Visible Drawer Parts Stackable Desktop Craft Drawer Small Brick Orga Quality Materials: Our drawer parts cabinet is made of quality PVC materials, which have a strong structure and are notNeiteli 6" Gate Roller Guide with L-Bracket, Universal Adjustable Heavy Duty Sliding Gate Rollers,Sliding Gate Kit, Black Slidin 【Wide Application】Our heavy-duty gate roller suits various applications such as room doors,garages,sheds,barn doors,andRanbo Ranbo 2 Pcs Frameless Glass Clamp Brackets for Shelf and Shower, Heavy Duty Wall Mount Rectangular Holders for 1/4" to 1 1.U-Shaped No-Drill Glass Clamp for Quick and Easy Installation: Designed with a U-shaped no-drill structure, these bracHilitchi Hilitchi 410 Stainless Steel #10 Flat Head Phillips Self Drilling Screws Sheet Metal Tek Screws Assortment Kit, Modified ♛ High-quality 410 Stainless Steel Self Drilling Screws Assortment SetVaguelly Vaguelly Stainless Steel Restroom Partition Tools Toilet Partition Fitting Kit with Stable Structure and Anti-Rust Bathr Hinge kit for toilet partition:made of strictly selected stainless steel material, very practical, durable, and rust-proGeneric Iron Mermaid Shape Wall Hanger with 4 Hooks Hook for Coats Towels Bags Mount Clothes Holder Hand Painted Vintage Decorat Sturdy structure: This wallmounted hook rack is designed to be solid enough to handle your family’s coats, towels, bags,Springer Foundations of Software Science and Computation Structures: 21st International Conference, FOSSACS 2018, Held as Part of Generic Small Trellis for Potted Plants - Rustproof Garden Support Stake | Heavy Duty Stable Support Stand for Houseplant Vine F Dependable Climbing Framework: Built using anti-rust iron, the trellis ensures sturdiness and stability, supporting planQEDT (Brown) - Cabinet Magnet Latch - Best for Cabinet Doors, Cupboards, Drawers and Shutters - Cabinet Magnetic Latch Easy I SIMPLE: magnetic door catches will keep your cabinet doors, cupboards and drawers shut and your shutters in placeCryfokt Cryfokt ITX Computer Open Case Bracket Aluminum DIY Bare Frame for Good Heat Dissipation Split Hardware (Silver) [SUPERIOR COOLING PERFORMANCE] The ITX Computer Open Case Bracket promotes effective heat dissipation by optimizing airfVEVOR VEVOR Hardware Cloth, 48" x 50' & 1"x1" Mesh Size, Galvanized Steel Vinyl Coated 16 Gauge Chicken Wire Fencing with A Cu Vinyl-coated Galvanized Steel: Our hardware cloth is made of durable steel. Galvanization and a black vinyl coating provTOMETURE TOMETURE 30Pcs Gun Black Metal Strap Ends with Key Ring Hardware, 32Mm Lanyard Tail Clips for DIY Keychain Making, Purse Long time security: lock your keys and essentials with confidence using webbing key fob hardware and metal strap clamp,Cryfokt Cryfokt ITX Computer Open Case Bracket Aluminum DIY Bare Frame for Good Heat Dissipation Split Hardware (Blue Red) [SUPERIOR COOLING PERFORMANCE] The ITX Computer Open Case Bracket promotes effective heat dissipation by optimizing airfEXAOMBLE EXAOMBLE 4pcs Metal DIY Bag Locks Replacement Closure Buckle Set for Handbags Travel Bags Decorative Purse Hardware Acce Bag press locks:all-match style, it is suitable for most styles of your bags,bag locks travelAMTHKNO AMTHKNO 2-Set of Heavy Duty W/Hardware Racks Holder Carrier for Weeder/Extended Trimmer, Straight Shaft Weed-Eater Secur Trimmer rack for trailer, weed eater rack, Hardware Racks Holder Compatible with edge trimmers, wire cutters, straight aEXAOMBLE EXAOMBLE 4pcs Metal DIY Bag Locks Replacement Closure Buckle Set for Handbags Travel Bags Decorative Purse Hardware Acce Bag press locks:all-match style, it is suitable for most styles of your bags,bag locks travelTOMETURE TOMETURE 30Pcs Gun Black Metal Strap Ends with Key Ring Hardware, 32Mm Lanyard Tail Clips for DIY Keychain Making, Purse Long time security: lock your keys and essentials with confidence using webbing key fob hardware and metal strap clamp,MagiDeal MagiDeal Server Industrial Control RACKMOUNT Computer Chassis Efficient Cooling Black 450 Structure Equipment Servers Ca 【Wide Compatibility】Supports , M-, and Mini- motherboards with graphics card lengths from 230mm to 330mm (with HDD cageANYPOWK Bathroom Hardware Set 6-Piece - Towel Bar Toilet Paper Holder Wall Mounted 2 Towel Hooks 2 Adhesive Hooks - Stainless St 6-Piece Set: Contains a 15.7-Inch towel bar, toilet paper holder, 2 towel hooks, and 2 adhesive hooks.Generic Small Trellis for Potted Plants,Leaves Shape Plant Trellis - Stable Heavy Duty Rustproof Houseplant Stand for Flowers Iv Long-Lasting Stability: Crafted from high-quality iron, the trellis ensures stability as a climbing aid for plants, featJaxenor Aluminum Alloy ITX Computer Open Case Bracket with Split Hardware Structure for DIY Home Builds - Green/Silver Good Heat Dissipation: Open chassis design for better air circulation and heat dissipation.Hoement Hoement 30pcs Gunmetal Iron Key Fob Hardware with Split Key Rings Zipper Tail Clips and Buckle Connectors for DIY Bag We Resilient structure: the heavy duty key fob and metal clip construction protect against wear, ensuring your key fob clamZGUZMCMK ZGUZMCMK Portable Luggage Telescopic Handle Replacement Kit for 20-inch Suitcases 【Tips】Please ensure that you have basic DIY skills and check the size and appearance of this tie rod before purchasingSOESFOUFU SOESFOUFU 30pcs Gunmetal Key Fob Hardware with Strap Connectors Metal Strap Clips and Key Rings for Bag Webbing Wrist Fa Stylish versatility: its sleek purse hardware and wristlet clamp design blend with any bag or key lanyard hardware, suppuxcell uxcell Luggage Handle, 220mm Long Strap Grip Replacement for Suitcase Case Black [Size] - 220mm(8.66-inch) Length. Tips: Screws not included. Fit for M4x0.7mm (thread pitch)x8mm length. Please Verify cRASTKY RASTKY ITX Test Bench Open Frame - ITX Computer Open Bracket Good Heat Dissipation Split Hardware Structure Aluminum All 【Good Heat Dissipation】: The open chassis design enhances circulation, ensuring efficient heat dissipation all your harduxcell uxcell Luggage Handle, 220mm Long Strap Grip Replacement for Suitcase Case Black [Size] - 220mm(8.66-inch) Length. Tips: Screws not included. Fit for M4x0.7mm (thread pitch)x8mm length. Please Verify cRASTKY RASTKY ITX Test Bench Open Frame - ITX Computer Open Bracket Good Heat Dissipation Split Hardware Structure Aluminum All 【Good Heat Dissipation】: The open chassis design enhances circulation, ensuring efficient heat dissipation all your hard48% Off No Starch Press The Hardware Hacking Handbook: Breaking Embedded Security with Hardware Attacks Kaxenig Purse Hook for Table | Handbag Holder for Table | Stainless Steel Folding Anti-Slip Clips Accessories for Travel Women M Effortless Foldable: The foldable design allows instant setup in various settings offering a seamless blend of functionaXUMIUZIY ITX Computer Open Case Bracket, PC Open Case DIY Chassis Bracket Open Chassis, Split Hardware Structure, DIY Computer Mo Good Heat Dissipation: The open chassis design is more conducive to air circulation, is conducive to the heat dissipatioRASTKY RASTKY ITX Test Bench Open Frame - ITX Computer Open Bracket Good Heat Dissipation Split Hardware Structure Aluminum All 【Good Heat Dissipation】: The open chassis design enhances circulation, ensuring efficient heat dissipation all your hardBCOATH BCOATH 30pcs Gunmetal Keychain Ring with Metal Webbing Clamp and Strap End Clips Key Fob Hardware for DIY Wristlet Strap Stylish versatility: its sleek purse hardware and wristlet clamp design blend with any bag or key lanyard hardware, suppXUMIUZIY ITX Computer Open Case Bracket, PC Open Case DIY Chassis Bracket Open Chassis, Split Hardware Structure, DIY Computer Mo Good Heat Dissipation: The open chassis design is more conducive to air circulation, is conducive to the heat dissipatio