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Best Choice Maizoon New
Maizoon CNC Lathe Holder Turning Tool Boring Bar 3pcs S07K-SCLCR06 S10K-SCLCR06 S12M-SCLCR06 + 10pcs CCMT0602 Inserts + Good toughness and hardness, long service life.Maizoon New
Maizoon CNC Internal Lathe Threading Boring Bar Holder + 10Pcs 11IR A60 Inserts + T8 Wrench CNC Turning Tool Stainless S To reduce the tool grinding cost and improve the cutting efficiency.Gbtdoface New
Gbtdoface Carbide Insert,Lathe Boring Bar,Turning Tools Set,16mm S16Q-SCLCR06 Internal Lathe Boring Bar Turn Tool +CCMT0 【Internal Lathe Boring Bar】Made of durable and material, this internal lathe boring bar is designed for semi-finishing aBest Value Maizoon New
Maizoon CNC Internal Lathe Threading Boring Bar Holder WWLNR1616H08/WWLNR1616K08 16X100mm CNC Turning Tool+Wrench+WNMG08 Good toughness and hardness, long service life.ASZLBYM New
ASZLBYM 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432 [Package Included]: 1pc S20R-MWLNR08 boring bar + 10pcs WNMG080408 CNC inserts + 1pcs wrenchGlarks New
Glarks 18Pcs Aluminum Solid Round Rod Lathe Bar Stock Assorted for DIY Craft Tool, Diameter 2.5-8mm Length 100mm Product type: High quality aluminum solid round rod lathe bar stock assortedPlyisty New13 PcsSet Boring Head CNC Milling Tools, F1-12mm 50mm Rough Boring Heads + MT3 -M12Morse Shanks W/10-125mm Boring Bars C Carbon steel material has strong stability, is not easy to , and has a long service life.Maizoon NewMaizoon CNC Lathe Turning Tool Holder MGEHR1212-2 12 x 100mm Boring Bar + 10pcs MGMN200-G Carbide Insert High Hardness C Made of fine material with good durability.Respicefinem NewRespicefinem 9pcs 12mm F1 Shank Set Boring Bar Set Kit with Carbide Tipped Bars High Speed Steel Welded Structure for Bo Durable Construction: These boring bars are made of high speed steel ensuring a long service life and reliable performanMaizoon NewMaizoon CNC Lathe Turning Tool Holder S20R-MWLNR08 Boring Bar + 10pcs WNMG0804 Carbide Insert +2 Hex Wrenches High Hardn High grip, impact resistance and strong, clear speed advantage, cut off bulk machining.CCJZBCAU NewTool Holder Boring Bar Wrench Including 10 Pcs Carbide Inserts 1 Wrench SRACR1212H06 Professional Tool Holder Indexable [Package Includes] 10 Carbide Blades, 1 Wrench, 1 Bracket.Jimdary NewBoring Head, MT2-M10 Boring Head Boring Bar Set, Milling Machine Accessory with 9 Durable 12mm Boring Bars for Milling M It can be used for boring, boring outer circle, boring end face, boring ladder hole, boring hole end face, cut the holeMaizoon NewMaizoon CNC Lathe Groove Tool Holder MGEHR1616-3 16x100mm Boring Bar + 4pcs MGMN300 Carbide Insert High Hardness Cutter Made of fine material with good durability.RdjEokf NewRdjEokf 18Pcs Boring Bar, CCMT09T304 Carbide Tip, Practical Lathe Turning Tool, Metal Cutter Cutting Tool Bit Set, Knife 1.To maintain tight tolerances, unsurpassed performance.Maizoon NewMaizoon External Lathe Tool Holder CNC Lathe Accessories WWLNR1616H08+WWLNL1616H08+10pcs 12MM Carbide Inserts+4pcs Wrenc External turning tools: the external turner is equipped with a detachable stainless steel ball bearing,which can be usedMaizoon NewMaizoon CNC Tool Holders CLCR 10mm Lathe Boring Bar 7pcs Set + 7pcs Carbide Inserts + 7pcs Wrenches for Lathe Turning To High grip, impact resistance and strong, clear speed advantage, cut off bulk machining.WFLNHB NewWFLNHB OXA #4 Quick Change Heavy Duty Boring Bar Tool Post Holder OXA 250-004 Tool Holder Applicable: Fit for use with OXA tool post 250-000Mingzhe NewMingzhe S12MSCLCR09+SCLCR1212H09+SCLCL1212H09+SCMCN1212H09 4 PCS 12MM Shank Lathe Turning Tool Holder Boring Bar + 10PCS Superior steel, durable and wear-resistant, lengthen service time.Amgei NewAmgei 16mm Shank 7PCS With Carbide Insert Wrench DIY Set Metal Steel Lathe Boring Bar Holder Turning Tool Profiling bar for semi-finishing and finishing operations.Dilwe New3/8" Boring Bar Set, 9PCS F1 Type Boring Cutter HSS Boring Head Set, CNC Milling Tools Kit Set Lathe Parts, Carbide Tip Made of high-speed steel, boring cutter is durable and easy to use in the practical life.Eacam NewTurning Holder, Eacam Tool Holder Indexable Boring Bar Wrench for Lathe Turning Tool with Carbide Insert 💖 Tool holder. 10 carbide inserts one set with a wrench.VerRich NewLathe Turning Tools, VerRich 3pcs Boring Bars Turning Tools Holder Set with 10pcs CCMT0602 Carbide Inserts + 3 Pcs Wrenc Material :High quality Steel Durable for Long Time Use: Imported main part, the bar holder adopts imported 40Cr materialDomary NewDomary 21PCS Multifunctional Solid Carbide Inserts Holder Boring Bar with Wrenches for Lathe Turning Tools Good toughness and hardness, long service life.Jectse NewBoring Head Kit F1-12 50mm, Boring Head Sets, MT2 M10 1.5 1-1/2-18UNF, Boring Carbide Tips with 12mm Stem, CNC Milling a 【Product information】 - Model: F1-12 / D: 50 / H 61.6 / Maximum displacement: 16 / Boring bar Day: 12 / Minimum graduatiMaizoon NewMaizoon CNC Lathe Bit Tool Holder 4pcs S12M-SCLCR09 SCLCR1212H09 SCLCL1212H09 SCMCN1212H09 + 10pcs Carbide Inserts + 4pc High grip, impact resistance and strong, clear speed advantage, cut off bulk machining.kimllier Newkimllier 1/2 Inch Shank Boring Bar Set C6 9Pcs Carbide Tipped Bars Lathe Tool 9 pcs boring bar set is made of C6 alloy steel, all shanks are held to 0-0.0005 inch from the nominal diameter.Plyisty New50Mm Boring Head Set,9pcs12mm Boring Bar Set,Mt4-M16 Arbor Adapter,F1-12mm Boring Holes,Multiple Tools,for CNC Machine a brand new and .Alvinlite NewAlvinlite 9pcs Boring Head, High Hardness Carbon Steel F1 Boring Head, 1-1/2-18UNF Tail Thread, 1/2" Carbide Boring Bar Premium Material: The Boring Head Bar Milling Set is made of high quality carbon steel with excellent hardness and toughwaltyotur Newwaltyotur 2 Inch Boring Head MT3 Bar Tool Set for Milling Forming and Drilling Machines Boring range: Supports the boring capacity of 10 to 125mm, Boring head dial has clear scale and high precisionMbnvtxh New21PCS Lathe Turning Tool 10mm Shank Lathe Boring Bar Turning Tool 7pcs Boring Bar Holder +7pcs Carbide Insert Lathe Turn uxcell Newuxcell HSS 6mm x 6mm x 200mm Square Lathe Tool Bit Boring Bar Fly Cutter Product Name : Lathe Tool;Material : HSSANKROYU NewANKROYU Lathe Boring Bar, Hard Steel Turning Tool Holder with 2 Wrench, Lathe Boring Bar Attachment, Lathe Bore Internal 【Enhanced Processing Efficiency】This tool is designed to help you process products with improved efficiency. ExperienceStribCo NewDead Bride And Groom Skull Beer Tap Handle Set for Kegerators and Bars Dead Skeleton Walking Solid resin skull and heavy chrome ferrule permanently attached with a deep set hanger boltAuoeer NewTools 9Pcs Durable Hard Alloy Shank Boring Bar Set Carbide Tipped Bars 1/2 Shank Lathe Tools for 2 50Mm Boring Head for Speed Zone for turning in lower torque applications; Black oxide non-slip tipCerlyiont NewBoring Bar CNC Tungsten Steel Special Cutter Clamping Tool Industrial Supplies SHB 16 07, Industrial Supplies, Product D [CLEAR MODEL MARKINGS]: The product model is clearly marked, with the first number representing the diameter of the boriMGAVATPNPY NewMGAVATPNPY 1Pcs 16mm Shank MGEHR1616-3 Lathe Turning Holder Boring Bar with 10Pcs MGMN300 Inserts + Wrench for CNC Turni Easy to install, user-friendly, and easy to operate, widely usedzoyfayl New11Pcs 10mm Carbide Tipped Lathe Turning Tools Metal Cutter Cutting Tool Bit Set Carbide Tip Cutting Turning Boring Bar S This cutter set of 11pcs lathe tools made from drop forged tool steel with tungsten carbide tips, have good toughness anHilitand New9pcs 3/8" Round Shank Boring Bar Set High Speed Steel Boring Bar Carbide Tipped Bars Lathe Tools 【PREMIUM MATERIAL】The boring Bar is made of premium high-speed steel, with high hardness, wear and heatYunir NewBoring bar, 9 Pieces HSS Material 1/2 "Round Shank Boring bar Set Machine Tool Accessories Made of high quality HSS material, high hardness, wear resistance and heat resistance.ShanQuilyx New9Pcs Boring Bar Set, 1/2" F1 Type High Speed Steel CNC Lathe Boring Bar, Assorted Lengths for Precision Internal Machini PRECISION MACHINING CAPABILITY: This 9Pcs boring bar set features high speed steel construction and multiple length optiPODSJD New9pcs HSS Boring Bar Set 1/2" Round Shank Welded Type - High Hardness & Wear Resistance, Precision Craftsmanship for Lath [PREMIUM HSS MATERIAL]: Crafted from high-quality high-speed steel, these boring bars provide exceptional hardness, heatQalvona New1/2 Inch Round Shank Boring Bar Set, 9pcs HSS Material, High Hardness and Heat Resistance - Durable Welded Design, Preci [High Quality Material]: Crafted from premium HSS with superior hardness, wear resistance, and heat resistance for long-ShanQuilyx New9Pcs Boring Bar Set, F1 Type High Speed Steel CNC Lathe Tool, 12mm Boring Bar with Base, Professional Toolholding for Pr HIGH-SPEED STEEL CONSTRUCTION: Our 9-piece boring bar set is crafted from premium high-speed steel, ensuring exceptionalwaltyotur Newwaltyotur Boring Bar Set 3/4 Inch Boring Bars for Boring, Lathe or Milling Machines 12-Pack 3/4 Inch boring bar made of C-6 carbide for durabilityJectse NewBoring Bars Set, Bar Holder Set, with 3Pcs Wrench, Lathe Turning Tools Great workmanship, this boring bar can replacement for the old oneJelquix NewJelquix Lathe Boring Bar Holder Durable Precision Internal Turning Tool for CNC Machines with CCMT0602 Insert 10 Pcs Wre [ MATERIAL] Crafted from premium material for durability, corrosion , and high hardness.Generic NewXYWHPGV HSS 25mm x 25mm x 200mm Square Lathe Tool Bit Boring Bar Fly Cutter(bf27c a09d3 76512 f14a5 c03be 17d46 Product Name : Lathe Tool;Material : HSSMarhynchus NewMarhynchus High Hardness Lathe Turning Tool Boring Bar SHB Boring Bar with High Clamping Stability for CNC Machine Tool [ACCURATE AND RELIABLE] With its Precision Machined, this boring bar delivers precise results, allowing you to achieve oDomary NewDomary 16mm Boring Bar Made of Cemented Carbide, CNC Lathe Tool Holder SHB, CNC Machine Tool Lathe Accessories, Stable a [Clear Modeling] Clearly labeled with the diameters, making it easy to identify for product and clamping tool.YDuupxe NewYDuupxe Cemented Carbide Lathe Turning Lathe Turning Tool Boring Bar, SHB Boring Bar Tool SHB CNC Holder Made of Cemented Carbide material, not easy to damage, and high hardnessAolidsive NewAolidsive Lathe Turning Tool Boring Bar, Tungsten Steel SHB25-04 4mm Inner Hole Boring Bar for CNC Machines, High Precis [Versatile CNC Applications] Ideal for CNC machine tools, this boring bar handles various machining tasks with compatibiKaifucy NewKaifucy 2Inch 50Mm F1 Type Boring Head 12Mm Lathe Boring Bar Milling Holder For Mt2 Mt3 R8 Shank Milling Machine Tools W Condition:NewFloolinct New9pcs HSS High Hardness Boring Bar Set Machine Tool Accessories for Lathe Milling Machine [HIGH-QUALITY MATERIAL] Made of premium HSS material with high hardness, wear , and heat , ensuring durability and long-Gearwell NewGearwell Boring Bar Set, 12Pcs 3 4in F1 Type HSS Lathe Boring Tools Internal Turning Bars with Base for CNC Lathe Intern Made of high-speed steel, durable and long service lifeEVTSCAN NewBoring Bars, 9pcs 12mm F1 Shank Set Boring Bar Set Kit Carbide Tipped Bars Used to Boring Tool ★【HIGH PERFORMANCE】The high-speed steel bars have superb craftsmanship to ensure high precision, the round shank indexabRuilogod NewRuilogod 2mm x 12mm x 200mm HSS Tool Cutoff Bit Cutter Boring Bar for Lathes Package Content : 1 x Lathe Tool BarAolidsive NewAolidsive 12Pcs Boring Bar Set High Speed Steel CNC Lathe Tool Holder, 3/4in Diameter Precision Machining Bars with Stor [Comprehensive 12pc Set] Includes 12 precisely crafted boring bars of varying lengths for shallow or deep hole machiningDakioznmb New13 Pcs Carbon Steel English R8 Boring Bar Set, CNC Lathe Process F1 0.001'' 7/16-20UNF, Boring Head with 9 Cutters and 3 HIGH PRECISION MACHINING: Our R8 boring bar set features a 0.001'' scale for ultra-fine adjustments, ensuring exceptionaSpacnana NewSpacnana 9pcs F1 Type Boring Cutter, CNC Milling Tools Set with Highspeed Steel Tipped Bars, Lathe Parts for Craftsmen, [PRECISE CRAFTSMANSHIP] The round shank indexable boring bar set is meticulously crafted by experts to ensure high perfoGeneric NewLathe turning tools, S06K/S07K/S08K/S10K-SCLCR06 Lathe Boring Bar+10 CCMT060204 Inserts+4 Wrenches ,for parts Accuracy and stability: Our lathe cutting tools have undergone strict quality control to ensure consistent dimensions anGeneric Newlathe tools, S06K/S07K/S08K/S10K-SCLCR06 Lathe Boring Bar+10 CCMT060204 Inserts+4 Wrenches Complete Set with Easy Replacement , ensuring you have the right tools for your machining needs. The set provides ampleDSweCByu NewLathe Turning Tool 95° Lathe Boring Bar 7/10/12/16/20mm SCLCR 06/09 Turning Tool Holder+CCMT Insert Blades For Machine Profiling bar for semi-finishing and finishing operations.ANKROYU NewANKROYU 9PCS F1 Boring Bar Set, High Speed Steel Turning Tool Bar Set, Metric Boring Tool Bar, Portable Tipped Bars, Hea 【Construction】Our boring bar is crafted from steel, ensuring longevity and reliability. Its robust construction makes itRuilogod NewRuilogod HSS 200mm x 50mm x 6mm Rectangle Lathe Tool Bit Boring Bar Fly Cutter Package Content : 1 x Lathe Tool BarZoeyilan NewBoring Bars Set 9pcs Carbide Tipped Kit for Boring Tool Workshop [100% BRAND NEW AND ] Enjoy top-notch performance with this set of 9 high-quality boring bars.ANKROYU NewANKROYU 9PCS F1 Boring Bar, HSS Round Shank Boring Bar Set, Quick Change Boring Tool Bar, Metric Boring Tool Bar for Mac 【Material】Our boring bar is made from high-speed steel, ensuring a long service life. Its robust construction makes it sKaifucy NewKaifucy 4pcs 2Inch 50Mm F1 Type Boring Head 12Mm Lathe Boring Bar Milling Holder for Mt2 Mt3 R8 Shank Milling with Hex W Condition:High quality and newyancinne NewNC25-MT1 2 3 straight shank Morse taper reducer D25-4~20 tool library turning tool boring tool bar sleeve clamp (C25-18) GLOGLOW NewGLOGLOW Other Cutting Tools and Accessories Holder, Internal Turning Tool Set with 10 CCMT0602 Inserts and 3 Wrenches fo [Complete Set] Includes 10 CCMT0602 inserts and 3 wrenches for immediate use with shank diameters of 7mm 10mm 12mm.LMHHMIN New9Pcs Boring Bar Set 1/2" F1 Type High Speed Steel CNC Lathe Tool Holding with Base Made of high-speed steel, durable and long service lifeWosune NewCNC Boring Bar, Tungsten Steel Boring Bar, Tungsten Steel Hole Cutter Reaming Fit Boring Machine for Turning Internal Ho High precision and high clamping stability, making it possible to work stably.AKLOSIPY NewAKLOSIPY Small Bore Boring Bar High-Speed Steel Lathe Tool for CNC Turning & Milling -, Versatile & Stylish (SHB20-04) Enhanced Durability - Our boring bar features a vacuum-nitrided , delivering exceptional hardness and remarkable wear .DSweCByu NewLathe Turning Tool 5PCS S12M SCLCR06 S06K / S07K S08K S10K 95 degree spiral turning tool holder boring bar + 10PCS CCMT0 Good toughness and hardness, long service life.LAP LAMBERT Academic Publishing NewFabrication of a Boring Bar With an Inbuilt MQL System: For Sustainable and Chatter Free Boring ANKROYU NewANKROYU Boring Bar, Tungsten Steel Boring Cutter Bar, SHB Lathe Tool Boring Rod, Diameter CNC Lathe Boring Rod, Turning 【Material】Our boring bar is crafted from tungsten steel, offering resistance to damage, and high hardness. Its robust coXiuganpo NewXiuganpo Turning Tool for Lathes CNC Boring Bar - High Hardness, Stable Working Performance - Diameter 16 Mm, Clamping T [MATERIAL QUALITY] This lathe boring bar is made of the highest quality cemented carbide for exceptional durability andGeneric Newlathe tools, SCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter(10pcs Insert) Complete Set with Easy Replacement , ensuring you have the right tools for your machining needs. The set provides ampleGeneric NewGeneric Lathe Boring Bar CCMT0602 Insert Holder for SHB Boring Bar CNC Machine Tools 10 Pcs Wrench for Metalworking Enth [PREMIUM MATERIAL] Crafted from quality material for durability, corrosion , and hardnessRespicefinem NewRespicefinem SHB 1607 Boring Bar CNC Tungsten Steel Special Cutter Clamping Tool Ideal for Lathe Inner Diameter Boring a High Quality Material: This boring bar is made of high quality tungsten steel which is not easy to damage or corrode andHIHHOOU NewLathe Turning Tool 4Pcs 7/8/10/12mm SCLCR06 Lathe Boring Bar Turning Tool With 10pcs CCMT0602 Inserts Right hand internal boring bar,95°approach angle for boring and facing cuts.XEBQWDSA NewSCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter(10pcs Insert) SCLCR06 shank lathe turning tool holders with 6/7/8/10mm metal rods.ViaGasaFamido NewViaGasaFamido 12Pcs Boring Bar Set High Speed Steel CNC Lathe Tool Holder 3/4in Diameter with Storage Base for Precision [Comprehensive 12pc Set] Includes 12 high speed steel boring bars in varying lengths for versatile machining tasks fromANKROYU NewANKROYU Boring Bar, Tungsten Steel Boring Cutter Bar, SHB Lathe Tool Boring Rod, Lathe Boring Bar Holder, CNC Clamping T 【Material】Our boring bar is crafted from tungsten steel, offering resistance to damage, and high hardness. Its robust coXEBQWDSA NewSCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter(S06K-SCLCR06 Bor Bar) SCLCR06 shank lathe turning tool holders with 6/7/8/10mm metal rods.XEBQWDSA NewSCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter(S10K-SCLCR06 Bor Bar) SCLCR06 shank lathe turning tool holders with 6/7/8/10mm metal rods.Brilluxa NewBoring Head, MT2 M10 Boring Bar Set Boring Bars Boring Head Milling Machine Accessories with 9pcs 12mm Boring Bars for T 100% brand new and high qualityXEBQWDSA NewSRACR1212H06 Indexable Turning Tool Set Boring Bar+10 Carbide Inserts+Wrench 12mm indexable turning tool set: boring bar, 10 carbide inserts, 1 wrench, SRACR1212H06 tool holder.Gearwell NewGearwell Boring Cutter Set, 12Pcs F1 Type 5 8in Shank Boring Bar Boring Tool Kit HSS Inserts for CNC Lathe Milling Inter Strong and sturdy to use in the practical life, this boring cutter is made of high-speed steel.ANKROYU NewANKROYU Boring Bar, Tungsten Steel Boring Cutter Bar, Lathe Turning Tool Boring Rod, Boring Tool Holders, CNC Holder Han 【Material】Our boring bar is crafted from tungsten steel, ensuring durability, resistance to damage, and high hardness. IGeneric NewLathe turning tools, SCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter ,for parts(S07K-S Accuracy and stability: Our lathe cutting tools have undergone strict quality control to ensure consistent dimensions anANKROYU NewANKROYU Lathe Turning Tool Boring Bar, SHB Boring Bars, Cemented Carbide Boring Rod, Lathe Boring Bar Shank, CNC Holder 【Material】Our boring bar is made from cemented carbide material, ensuring resistance to damage, and high hardness. Its rGeneric NewLathe turning tools, SCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter ,for parts(S06K-S Accuracy and stability: Our lathe cutting tools have undergone strict quality control to ensure consistent dimensions anGeneric NewLathe turning tools, SCLCR06 Shank Lathe Turning Tool Holders (6-10mm)-10pcs Inserts+Boring Bar Cutter ,for parts(S08K-S Accuracy and stability: Our lathe cutting tools have undergone strict quality control to ensure consistent dimensions anNDNCZDHC New12pcs Boring Bar, 3/4in High Speed Steel CNC Lathe Tool Lathe Tool Holder Lathe Tools Boring Bars Boring Bar Set with Ba If you have any questions, please contact us in time, we will be happy to solve the problem for you.ANKROYU NewANKROYU Boring Bar, Tungsten Steel Bore Boring Rod, Small Diameter CNC Lathe Boring Rod, Boring Tool Holders, Clamping T 【Material】Our boring bar is crafted from tungsten steel, ensuring durability, resistance to damage, and high hardness. IHIHHOOU NewLathe Turning Tool Lathe Turning Machine 4 Set Of 7/8/10/12Mm Sclcr Boring Bar Tool Holder+10Pcs Ccmt 0602 Insert Blades Right hand internal boring bar,95°approach angle for boring and facing cutsZYLARUM NewCarbide Boring Bar Set 7Pcs | F1-18 Round Shank Indexable Turning Tools | 18mm Holder for Lathe/Boring Machine | High Ha Robust Carbide Construction - These boring bars use cemented carbide material for high hardness and consistent performanGearwell NewBoring Head Set, 13pcs Carbon Steel English R8 Boring Bar Head Set with 0.5 Inch Indexable Boring Bars for All Kinds of Carbon steel material has strong stability, is not easy to ru st, and has a long service life.Multiple. Distributed through American National Standards Institute (ANSI) NewISO 6261:1995, Boring bars (tool holders with cylindrical shank) for indexable inserts - Designation Brilluxa NewBrilluxa Boring Bar, CNC Boring Tool Lathe Bar Set, R8 Boring Bar Carbon Steel Tool Set 13 pcs Carbon steel material has strong stability, is not easy to , and has a long service life.