Milescraft Concealed Euro Hinge Jig #1342Two edge alignment knobs position the cup hole from the edge of the door, while the edge locator pin sets the distance from the top bottom The drill guide with metal bushing locks into the jig and creates a perfectly straight hinge cup hole Guide bushings built into the body of the jig let you pre drill pilot holes in four common locations, making sure hinges are straight and the door closes true Easily set your cup hole depth on the included 35mm