Feature:1. ACCURATE WITHOUT SLIPPAGE: Drill center point design bring accurate positioning, no slippage, easier drilling, saving both labor and time2. EFFICIENT GRINDING: Accurate cutting reduces chips and burrs and features an non gap design. High accuracy grinding technology is stable and efficient3. FOR VARIOUS MATERIALS: Suitable for drilling holes in softwood, hardwood, veneer and non laminated particleboard, very versatile4. HIGH HARDNESS MATERIAL: Made of good quality carbon steel and YG6 alloy material, possess higher hardness and better wear resistance5. 10MM SHANKConcealed hinge jig bit come with 10mm round shank, compatible with many woodworking tools, useful and practicalSpecification:Item Type: Concealed Hinge Jig BitMaterial: Carbon steel + YG6 alloyApplication: Suitable for drilling holes in softwood, hardwood, veneer and non laminated particleboardShank Type: Approx. 10mm / 0.39in round shank.Package List:1 x Concealed Hinge Jig Bit1 x Storage BoxNote:Please wear protective gear when using so as not to injure yourself.