Door Hinge Jig, Aluminum Alloy Door Hinge Router Jig, Adjustable Door Hinge Temp
【Universal Door Hinge Mortise Jig】This hinge jig easily cuts precise hinge mortise lengths from 2-1/2" to 5 ", compatible with round hinges featuring 1/4", 5/8" radius and square corner hinges (requires use with a chisel).