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Best Choice VESSEL 
Vessel GS141511 Double Ended Combination Bit +1/-5 x 110 2 Blade edge: +1/-5MAX-CRAFT 
Hss Cobalt Drill Bit Double End 10Pcs 1/8 inch Drill Steel Metal Double End Drill Bit Size: 1/8"(Diameter) x 5/8"( Flute Length) x 2" (Overall Length)Best Value Jectse 
10Pcs Screwdriver Bits Set,L-Shape 1/4 Inch Hex Socket Wrench Double Head Screwdriver Bits Kit Hand Tool for Metal, Wood Wrench is made of strong iron, with high hardness, great toughness and fine workmanship, very sturdy and to useLyaciomn 
Lyaciomn 30Pcs 1/8In Cobalt Drill Bits Double End Drill Bits for Hardened Steel Cast Iron Wood Plastic Stainless Steel D Mecctask 
Panther Industrial 1/8'' Double End Drill Bit (Pack of 12) 135 degree split point reduces bit walking.WORKPRO 
WORKPRO 12-in-1 Ratcheting Multi-Bit Screwdriver Set, Quick-load Mechanism Screwdriver with Double End Bits in Handle [What You Will Get]: 1 PC Screwdriver Handle with 6PC Double-ended Bits, 1/4 in. hex shank S2 steel bits, length 3-1/2 ibellv 
Double Screwdriver Bit, Double End Drive Bits | Hex Bits for Electric Screwdriver - Hex Bits Electric Screwdriver Bits S OzGrove 24-in-1 Precision Screwdriver Set, Magnetic Manual Screwdriver Pen Style, 24 Pcs Tough S2 Steel Mini Double End Bits Kit Versatile Ratchet Screwdriver: With 12 pcs s2 alloy steel batch double end heads and 24 screwdriver bit shapes, perfectRESFNSE RESFNSE 30Piece Double End Drill Bits Double End Cobalt Drill Bits for Hardened Steel Cast Iron Wood Plastic Stainless S Double-ended twist design: Each drill bit has 2 cutting points. You can use the cobalt drill bit set to drill 2 holes atPoiijbxz Poiijbxz 30Pcs 1/8In Cobalt Drill Bits Double End Drill Bits for Hardened Steel Cast Iron Wood Plastic Stainless Steel D Double-ended twist design: Each drill bit has 2 cutting points. You can use the cobalt drill bit set to drill 2 holes atGEINXURN Geinxurn 10Pcs SL1/4-PH2 Impact Double End Screwdriver Bit Set, 2.56 in. #2 Phillips/Power Driver Bits, Magnetic S2 Stee Double-End Power Bits: 10Pieces 2.56 inches SL1/4-PH2 double head impact screwdriver bits with a durable plastic case anBrass hunter 1/4 Hex Magnetic Screwdriver Bit Set for Drill | 14-IN-1 Replacement Bit Pack | 7 double-ended bits Screwdriver Bit Model: TX10、TX15、TX20、XT25 PH0、PH1、PH2、PH3 FL6、FL4 SQ0、SQ1、SQ2、SQ3Anex ANEX No. 395-DB2S Bit Replacement, Double Headed +2x-6x85, Set of 2 Size: Blade tip + 0.1 x 0.2 x 3.3 inches (2 x 6 x 8Makita Makita 50 mm PH1 Double Ended Screwdriver Bit 10-Piece Suitable for use with both impact drivers and driver/drillsuxcell uxcell PH2/SL6 Magnetic Double Ended Screwdriver Bits, 1/4 Inch Hex Shank 3.94-inch Length S2 Power Tool 【SIZE】PH2/SL6 double head, 1/4-inch hex shank, 3.94-inch (100mm) total long.Lyvixora Lyvixora 3PCS Magnetic Screwdriver Ring – Universal Screw Bit Magnetizer & Catcher Holder for 1/4 Inch (6.35mm) Hex, Dou 🔩 【Industrial-Grade S2 Alloy】 Crafted from ultra-durable S2 alloy steel, our magnetic screw rings resist wear 3X longerWONAIER WONAIER 4.2mm/0.165" Cobalt Drill Bits M35 Jobber Length HSS Bits Double Ends Stubby Body Twist Drill Bit Set for Harden [DOUBLE END DRILL BIT SIZE]: 10 pcs Cobalt Drill Bit Set,7 sizes to choose from.WADY WADY 4PCS Magnetic Screwdriver Ring, Power Drill Bits, Metal Magnet Screw Ring Removable Screw Driver, Hex Screwdriver H Industrial-Grade S2 Alloy：Crafted from ultra-durable S2 alloy steel, our magnetic screw rings resist wear 3X longer thanGeneric Bits, Magnetic Bits Phillip Impact Driver #2 H6.3 Magnetic Cross Shaped Long 10Pcs Double End for Power Drill Driver (H6 【Superior Material】- Get ready for precise work with our bits. Made from high-grade S2 material, these bits promise exceGALVANOX Galvanox Double-Ended Eyeglasses Bit Set, Compatible with Leatherman Charge+ TTi, Charge+, and Wave+ (4 Pack) 4 Pack: Set of four replacement eyeglass bits for Leatherman Multitools (Charge Plus/Charge Plus TTi/Wave Plus)HELVES Twist Drill Bit Set, 10 Double Ends Drill Bits with Stubby Body, High Hardness High-Speed Steel Fast Drilling Tool for S ❋Faster and smoother drilling: The bit features a double-ended design that lets you drill with both ends. This gives youIrwin IRWIN 1903503 Impact Performance Series Double-Ended Screwdriver Power Bit Set with Magnetic Screw Hold, Square, 2 3/8-I Built for maximum durability and long life with impact driversHUANQIN 5PCS 4-Flute End Mill Bits High Speed Steel Milling Cutter Router Bits Rotary Bits Tool Straight Shank 6mm-8mm Double Ed Versatile CNC End Mill Set -- 5 sizes (5/32inch-5/162inch) of 4 flutes designed carbide end mill set, work perfect on miIrwin IRWIN Impact Screwdriving Bit, Square 2 Phillips 2 Double End, 2-1/2 Inch, SQ2/PH2, 2 Pack (IWAF32DEP2SQ2) Bit Style Phillips, Square, PH2, SQ2YUENTOEN YUENTOEN CNC Router Bit, 10Pcs 1/8 Inch Straight Router Bits Set, 2 Flute Double Edged Tungsten Steel Milling Cutter for Premium Quality: 2 Flutes Straight End Mill made form tungsten steel, which has advantage of high toughness and high weaSING F LTD SING F LTD Double Flutes Spiral Design 6mm Shank Spiral Bit Up Cut CNC Cutting Diameter 24mm Cutting Length 60mm Tungste [Premium Tungsten Steel] High-quality tungsten steel for lasting performance.The Spiral Router Bit is made of high-qualiuxcell uxcell a16011600ux0474 100mm Long Magnetic Double Ended Slotted Phillips Screwdriver Bits Gray 10Pcs, Main Material: Metal; Package Content: 10 x Screwdriver Bit; Product Name: Double End Screwdriver BitGunpla Gunpla 16pcs Ratchet Screwdriver Set, Double End Ratcheting Torx Phillips Hex Bits Screwdrivers Heavy Duty Chrome Vanadi PREMIUM QUALITY HANDY SET: Gunpla engineered this set of ratchet screwdrivers with high quality Crv. With a corrosion reGeneric Double Ended Drill Bits 10 to 100 Pieces - 30PCS, 3.2 mm(1/8") Sipery Sipery Double End Screwdriver Bits Philips Ph2 Magnetic Phillips Power Bit Hex Shank S2 High Alloy Steel Electroplate 65 Package - 10Pcs Magentic Phillips Screwdriver Bits Double Ended, Bit Type: Phillips PH2, Shank Size: 1/4inch, Total LengGeneric Double Ended Drill Bits 10 to 100 Pieces - 30PCS, 3.2 mm(1/8") SING F LTD SING F LTD 3pcs Magnetic Screw Ring Removable Magnetizer Screwdriver Ring Alloy Screwdriver Bit Magnetizer Ring Screw Ca Made of S2 alloy steel, fine workership, high efficiency and long service life.LATTOOK 3PCS Right Angle Offset Screwdriver Set, LATTOOK L-Type 90 Degree Double End Screwdriver Low Profile Screwdriver with Ph PREMIUM S2 STEEL: Double end Phillips Slotted offset screwdriver bits are made of excellent industrial grade S2 steel maKOZTOL KOZTOL 4Pcs Double Ended Phillips Screwdriver Bit, Magnetic Phillips Screwdriver Bit Set, Anti-Slip S2 Alloy Steel 1/4 I Double-Cross Phillips Design: The screwdriver bits feature a precise double-cross Phillips (PH2) design that provides aIrwin IRWIN 1876222 Impact Performance Series Grip Double-Ended Screw Extractor Insert Bit, De-2 Built for maximum durability and long life with impact driversAsieg Tool SC-3 Tungsten Carbide Burr Rotary File Cylindrical Ball Nose End Shape Double Cut for Die Grinder Drill Bits 6mm Diamete Multi Purpose: Widely used for metalwork, tool making, engineering, model engineering, wood carving, jewellery making, wPOPETPOP POPETPOP 4pcs Disassembly Screwdriver for Ring Doorbell Screws Double-end Bit for Battery Replacement and Smart Doorbell Screwdriver replacement parts--this ring doorbell screwdriver include a double-end screwdriver bit which can be used allFreud Freud 12-544 16mm Diameter by 1-1/4-Inch Double Flute Straight Router Bit with 1/2-Inch Shank Ideal for general stock removal with a smooth finishLT Easiyl LT Easiyl Double Flute Spiral Milling Cutter 6 mm Shank Spiral Up&Down Compression Cut Mill Router Bits Wood Cutter Wood [Premium Tungsten Steel] High-quality tungsten steel for lasting performance.The Spiral Router Bit is made of high-qualiAIMALL AIMALL 6PCS High Speed Steel Center Drill Countersink Bit Set, Combined Lathe Mill Tackle Kit with Double-Ended Tips 🔧 High-Speed Steel Construction: Made from durable high-speed steel, these center drills offer excellent strength and wFyearfly HOTO24 in 1 Precision Screwdriver, 24-in-1 Multi-Bit Screwdriver Mini Hand Screwdriver with Magnetic 12 Double End S2-St 【24-Types Steel Drill Bits】Hoto24 in 1 precision screwdriver set with 12pcs double-end precision drill bits, portable scSPEEDWOX SPEEDWOX 36 Pcs Metric Socket Bit Ratcheting Wrench Set Double Box End Ratchet Gear Spanner Heavy Duty Multi Functional Speedwox 36 Pcs Metric Socket Bit Ratcheting Wrench Set Double Box End Ratchet Gear Spanner Heavy Duty Multi FunctionalFreud Freud 04-520 10mm Diameter by 1-1/4-Inch Double Flute Straight Router Bit with 1/4-Inch Shank Ideal for general stock removal with a smooth finishOHIY OHIY L-Shape Double End Bit Holder Mini Socket Wrench for 1/4 in Hex Insert Bits Dual head design fits common 1/4 inches hex screwdriver insert bitsBOSCH BOSCH ITDEP2R2601 1-Piece 6 In. Phillips/Square #2 Impact Tough Double-Ended Screwdriving Bit 10x life over standard impact bitsZahyox ZahyoX 6mm Shank Upcut Spiral CNC Router Bit, 5mm Cutting Diameter, 6mm Shank Diameter - 16mm Cutting Diameter - 64mm Ov Specifications: 5mm cutting diameter, 6mm shank, 16mm cutting length, 64mm total length, 2 flutes, upcut spiral bit.GEINXURN Geinxurn 13Pcs Torx Screwdriver Bits Set, 6”Double Impact Magnetic S2 Steel Long Extension Star Driver Bits Set (T7-T40) Torx Screwdriver Bit Set,13 pieces 6inches(T7,T8,T9,T10,T15,T20X2, T25X2, T27,T30X2, T40), they're all have a customizedHQMaster HQMaster 10PCS 1/8 17mm Carbide Flat Nose End Mill CNC Router Bits Double Flute Spiral Set Tool Nylon Resin ABS Acrylic RANGE OF PROCESSING: For carving/cutting/engraving/milling/slotting/sculpturing in materials like MDF, ABS, PVC, acrylicLIXIAOTONG 1/2" Shank 1/4" Shank Double Finger Bits for Wood Industrial Grade Double Finger Bit Woodworking Tools Wood Milling Cutt 1/2" Shank 1/4" Shank Double Finger Bits For Wood Industrial Grade Double Finger Bit Woodworking Tools Wood Milling Cuttトラスコ中山(TRUSCO) TRUSCO TMDSB Long Double Bits for Replacement Drivers #1, 2, 3 x 6.0 x 135 mm Special Steelトラスコ中山(TRUSCO) TRUSCO TMDSB Long Double Bits for Replacement Drivers #1, 2, 3 x 6.0 x 135 mm Special SteelCASOMAN CASOMAN Bit Socket Adapter Set -1/4" 3/8" Dr. 1/4"1/2" Dr., 5/16"Hex 1/2" Dr.,1/4-Inch Dr. Hex Power Bit Holder & 5/16" Made from Heavy-duty Chrome-Vanadium steel alloy holds up to even high-torque applications with Corrosion-resistant blacClaumeng Downcut Spiral Flush Trim Router Bit Solid Carbide Flush Trim End Mill Bit with 1/2inch Shank Double Bearing 1-1/2inch C [Widely Uses] Our product is suitable for any flush trimming situation on softwood, hardwood, laminate, plywood, oak, MDMarhynchus Pin Vise Chuck, Double End Pin Vise Chuck + 10 Pcs Micro Drill Bit Set for Jewelry Watch Repair Tool high-grade: brand new and high-gradeIVY Classic IVY Classic 44258 2-Inch #2 Phillips x #2 Phillips Double-End Bit, Impact Plus, 1/Box High-grade S-2 Tool Steel for extra strength and durabilityYBYTRGHJ Double Edged Straight Slot Milling Cutter, 6mm Shank 2 Flute Straight Slot End Mill Engraving Bit CNC Solid Carbide St Shank Diameter : 6mmAsieg Tool Carbide Burr Set 8pcs with 6mm Shank Double Cut Solid Power Tools Tungsten Carbide Rotary Files Bits for Die Grinder Met Shape：included SA-5，SA-3，SC-3，SC-1，SD-3，SD-1，SF-5，SF-3Eacam Double End Pin Vise Chuck, Brass Pin Vise Set with 10pcs Micro Twist Drill Bits for Jewelry Watch Repair, PCB, Handicraf [High-quality Material] Brand new brass pin vise chuck, electroplated for durabilityHakkin Hakkin 20 Pcs End Mill CNC Router Bit 1/8 inch Shank Nano Coating Rotary Burs Set Double Cut Tungsten Carbide File Carvi Tungsten Carbide Use: 20 pcs Solid Carbide Rotary Burr Set. Total length ca.38mm, cutting diameter 1/4 Inch(6mm), shankYosoo Double Edge Trimmer Banding Machine Set Woodworking Tools Handle Tail Trimming Carpenter Hardware Easily handle special thick plate, hard white steel blade, more durable, more effort.tooloflife 20mm*60° End Mill - Dovetail Groove Cutter HSS Straight Shank Dovetail Slot Cutter End Mill CNC Bit 【Cutter Diameter(D)】 - 10mm/12mm/14mm/16mm/18mm/20mm/25mm/30mm/32mm/35mm.BOSCH BOSCH ITDET256B 10-Pack 6 In. Torx #25 Impact Tough Double-Ended Screwdriving Bits 10x life over standard impact bitsRIZGHWOY RIZGHWOY Double End Pin Vise Chuck 10 Pcs Micro Drill Bit Set for Jewelry Watch Repair Tool - Mini Pin Vise, Convenient [DURABLE MATERIAL] Constructed of brass with electroplating for long-lasting use and a appearance.SustVita SustVita Jewelry Watch Repair Tool Double End Pin Vise Chuck with 10 pcs Micro Twist Drill Bit Set for Metal and Woodwor Innovative Dual Chuck System: This pin vise chuck features a dual design that securely holds drill bits from 0.5 mm to 3DOITOOL DOITOOL 4pcs Watch Repair Drill Bit Holder Hexagonal Double Head Pin Vise Hand Drill for Watch Repair Engraving and Manu Watch repair wire tool:the design is reasonable, efficient and practical, and can easily help you complete your work andGAXIRE GAXIRE Watch Repair Drill Bit Set Double-Ended Hexagonal Drill Bits Versatile Tool for Watch Jewelry Wide application: suitable for watch repair, eyeglass repair, jewelry repair, and other precision tasks, offering versatVeemoon Veemoon Watch Drill Bit Kit Double-Ended Repair Drill Bit Set Hexagonal Watch Repair Compact Tool Complete watch repair kit: designed for comprehensive watch repairHarvix Universal Doorbell Screwdriver & USB Cable for Video Doorbell 2/3/4/Pro/Plus/Elite, Peephole Cam - Double-End Bit, Fast ✔️Universal Compatibility & Double-End Screwdriver: This doorbell screwdriver is designed to fit all R doorbell models,iplusmile iplusmile Watch Drill Bit Set Double-ended Repair Drill Bit Kit for Watchmaking and Precision Work Complete watch repair kit: designed for comprehensive watch repair,double-ended hexagonal drill bit,watch repair toolULTECHNOVO ULTECHNOVO Watch Drill Bit Set Hexagonal Watch Repair Drill Double-ended Repair Bit Professional Kit Doubleended design: the drill bit holder and plier handle feature a doubleended design, allowing for multiple uses and mHEATSHAKING HEATSHAKING Hexagonal Double-Head Hand Drill Set Watch Repair Kit Drill Bit Set Professional Tool Versatile tool set: providing all the tools needed for effective watch repair,watch repair kit,boxed watch drill bitSEWACC SEWACC 2pcs Mini Hexagonal Pin Vise Hand Drill Double-ended Brass Wire Tool for Jewelry Watch Repair with Non-slip Grip Double-ended pin:high-speeds brass, with good durability pin vise holds drill bits from 05-32mm,metal model DIY toolZerodeko Zerodeko Hexagonal Double-head Hand Drill Bit Set Watch Repair Tool Kit Countersink Drill Bits for Watch Repair material: made from copper, ensuring durability, making it a reliable choice for various repairs,double-ended hexagonalABOOFAN ABOOFAN Hexagonal Double Head Hand Drill Watch Repair Kit Countersink Drill Bits Bit Set for Precision Work Compact and easy to carry: the small and lightweight design of the tool set makes it easy to transport and store, for boVeemoon Veemoon 2pcs Hexagonal Double Ended Pin Vise Hand Drill for Watch Repair Brass Wire Tool Holds Bits Precision Positionin Watch link remover--it is made of brass, strong and durable, good texture, and ,watch repair toolFIXOSHEE FIXOSHEE Watch Repair Tool Set Double-ended Hexagonal Watch Drill Bit Hexagonal Drill Bit Versatile Tool for Repairing E Easy to carry: the small and lightweight design of the tool set makes it easy to transport and store, for both professioHONITANO HONITANO 2pcs Hexagonal Hand Drill Double-ended Pin Vise Mini Drill Bit Holder for Watch Repair Jewelry Making Brass Pre Watch pin pusher--made of strong brass sturdy and can be used very continuously!,watch making kityvalqsuy 1/10pcs 0.5-3.2mm Double End Pin Vise Hand Chuck With 10pcs Drill Bit Rotary Tools Kit For Jewelry Wood Watch Repair Mai Specifications:Amosfun Amosfun Versatile Watch Repair Tools Hexagonal Double-head Hand Drill Drill Bit Set for Watch Jewelry and Glasses Repair Versatile tool set: providing all the tools needed for watch repairKALLORY KALLORY 2pcs Hexagonal Double Ended Pin Vise Hand Drill Drill Bit Holder for Watch Repair Jewelry Wood Plastic and Fragi Watch band pins--perfect for carving and drill holes on wood, plastic, , amber and other fragile and tiny materials,watcOperitacx Operitacx 6 pcs Hexagonal Double Ended Pin Vise Hand Drill with Ergonomic Non Slip Grip for Watch Repair Wire Tool Holde Watch pins--can hold 05-32mm drill bits, professional and practical, easy to replace, convenient and durable,vise to holNOLITOY NOLITOY 2pcs Hexagonal Double Head Pin Vise Hand Drill for Precise Watch Repair High Hardness Mini Drill for Jewelry and Jewelry vise clamp--can hold 05-32mm drill bits, professional and practical, easy to replace, convenient and durable,jewTofficu Tofficu 6 pcs Hexagonal Double Head Pin Vise Hand Drill for Watch Repair Manual Drill Tool with High Hardness Brass Hand Pin vise:can hold 05-32mm drill bits, professional and practical, easy to replace, convenient and durable,watch band pinLIFKOME LIFKOME 2pcs Mini Hexagonal Double Head Hand Drill Precision Pin Vise for Watch Repair Holds Bits Durable Construction f Link remover tool for watches--it is made of brass, strong and durable, good texture, and ,watch repairEXHUMKY EXHUMKY 2pcs Double Ended Pin Vise Hand Drill for Watch Repair Precision Tool for Drilling Bits for Jewelry and Work Vise tools for making jewelry:professional and practical drills have good cutting efficiency and can avoid slippage,watcOutanaya Outanaya 6pcs Professional Double Head Pin Vise Hexagonal Hand Drill Watch Repair Tools Drill Bits Precision Efficiency Push hand drill: this can fix various specifications of the drill head and other small tools within the range of 0,5-3,2Homoyoyo Homoyoyo 6pcs Professional Watch Repair Tool Kit Hexagonal Double Ended Pin Vise Wire Tool Hand Drill for Bits Double-ended pin vise:fast and accurate, low cutting resistance, high efficiency and durability, will bring you a good eHEALEEP HEALEEP Hexagonal Double-head Hand Drill Set Watch Repair Tool Drill Bit Set Double-ended Watch Repair Kit Multifunctional set: whether you're fixing a watch or working on small-scale projects, this set provides the accuracy anHOMSFOU HOMSFOU 4pcs Watch Repair Tool Hexagonal Double Head Pin Vise Hand Drill Drill Bit Holder for Watch Repair and Engraving Mini push drill-- high-speeds brass, with good durability, pin vise holds drill bits from 0,5-3,2mm,pin vise drill.Generic Generic Mini Hexagonal Double Head Pin Vise Hand Drill for Watch Repair 2pcs Mini Drill Bit Holder and Wire Tool Set Pre Hexagonal hand drill--reasonable design can reduce the possibility of drill bit ,pin vice wire toolGeneric Generic Mini Hexagonal Double Head Pin Vise Hand Drill for Watch Repair 2pcs Mini Drill Bit Holder and Wire Tool Set Pre Hexagonal hand drill--reasonable design can reduce the possibility of drill bit ,pin vice wire toolAngoily Angoily 6 pcs Hexagonal Double Ended Pin Vise Wire Tool for Watch Repair High Hardness Wear Resistant Hand Drill with Er Metal model DIY tool--high-speeds brass, with good durability pin vise holds drill bits from 05-32mm,vise tools for makiCHILDWEET CHILDWEET Hexagonal Watch Repair Drill Bit Set Double-ended Drill Bit Set Watch Repair Kit Screw Compact and Portable To Compact and easy to carry: the small and lightweight design of the tool set makes it easy to transport and store, for boBUTIFULSIC BUTIFULSIC 6pcs Hand Drill Pin Vise Tool for Watch Repair Hexagonal Double End Design Construction from for Jewelry and Pin vise for miniatures: professional and practical drills have good cutting efficiency and can avoid slippage,mini viseELAYARD ELAYARD 6pcs Multi-Use Sanding and Polishing Sticks Set Double End Sanding Twigs for Nail Buffing Model Making and Wood Attractive colors: the black, white, and gray color scheme is not only practical but also adds of elegance to your toolkBUGUUYO BUGUUYO Sturdy Hexagonal Double-head Hand Drill Watch Repair Tool Kit Drill Bits and Set Multifunctional set: whether you're fixing a watch or working on small-scale projects, this set provides the accuracy anNeiko Neiko 10224A Extra Long Security Power Bit Set, 32 Piece | 1/4" Shank 6" Length Product Type: ToolsHOMSFOU HOMSFOU 4pcs Watch Repair Tool Hexagonal Double Head Pin Vise Hand Drill Watch Repair Drill Bit Mini drill bit holder--reasonable design can reduce the possibility of drill bit ,watch repair wire toolMAODOXIANG MAODOXIANG 3D Printer Accessories 5Pcs AAA 3.175 * 12mm Down Cut Two Flutes Spiral Carbide Mill Tool Cutter CNC Router W Our products are often used in precision transmission equipment such as 3D printers, CNCs, and stepper motors.jojofuny jojofuny 4Pcs Mini Hand Drill for Watch Repairing and Jewelry Carving Double Headed Golden Square Head Drill Durable Pre Jewelry drilling tool:perfect for drilling wood, linden, horn, amber, walnut, plastic and other materials,jewelry making