Features 1、ACCURATE WITHOUT SLIPPAGE: Drill center point design bring accurate positioning, no slippage, easier drilling, saving both labor and time 2、EFFICIENT GRINDING: Accurate cutting reduces chips and burrs and features an non gap design. High accuracy grinding technology is stable and efficient 3、FOR VARIOUS MATERIALS: Suitable for drilling holes in softwood, hardwood, veneer and non laminated particleboard, very versatile 4、HIGH HARDNESS MATERIAL: Made of good quality carbon steel and YG6 alloy material, possess higher hardness and better wear resistance 5、10MM SHANK：Concealed hinge jig bit come with 10mm round shank, compatible with many woodworking tools, useful and practical Specification Item Type: Concealed Hinge Jig Bit Material: Carbon steel + YG6 alloy Application: Suitable for drilling holes in softwood, hardwood, veneer and non laminated particleboard Shank Type: Approx. 10mm / 0.39in round shank Package List 1 x Concealed Hinge Jig Bit 1 x Storage Box