The head alloy material has high hardness, high efficiency, sharpness and smooth cutting surface. Accurate positioning, no deviation, easy operation, accurate and stable size, and easy positioning. The Concealed Hinge Jig allows you to drill cup holes for concealed cabinet door hinges Hole position is accurate,drill hinge holes conveniently and fast.Makes cabinet door installation easy Hinge hole cutter:Bore diameter is 35mm. Special removeable depth stop design makes drill easier Name:hinge opening locator set Colour:As Shown Material:Metal+Plastic Package Contents: 1 * Hinge opening locator set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.