Fangrui Product Details Carbon Steel Taper Reamer Set Of 4, Length: 130mm/5.11inch, Width: 15mm/inch, Booster Bar Length: 90mm/3.54inch, Saw Drill: 6mm/0.24inch. Made Of High Quality Carbon Steel, Wear-resistant, Not Easy To Break And Deform, Sturdy And Durable. Sharp Cutting Edge For Precise Drilling, Easier To Use. Universal Hexagonal Shank Compatible With A Variety Of Machines, Easy To Operate, Dual-purpose Hand Power, Manual Crossbar, Uniform Force. This Product Is Suitable For Reaming Operations On Wood, Thin Tin, Plastic And Other Materials, Complete Specifications, Manual Operation, Easy To Work. Tip: The Size Data Are All Measured Manually, With A Slight Error. Please Wear Safety Equipment When Using The Tool. Specification Material: Metal Color: As Shown Length: 130mm/5.11inch Width: 15mm/inch Booster Bar Length: 90mm/3.54inch Saw Drill: 6mm/0.24inch Before Using, Please Carefully Check Whether The Assisting Crossbar Is Abnormal And Whether The Edge Is , And Then Operate It To Improve The Efficiency. Warm Tips: Below 4