Features 1、WITH DEPTH STOP BLOCK: A depth stop can be installed on the drill shank to prevent drilling too deep, and the depth is limited to between 15mm and 45mm. You can also remove the stop block for unlimited depth 2、PASS THROUGH HOLE CLEANLY: The tip is specially designed to pass through the hole cleanly, which is very suitable for drilling concealed hinges and door locks 3、TWO STABILIZER CLIPS: The cabinet hinge clamp has two stabilizer clips in the package for more stability when drilling 4、FOR VARIOUS DRILLING MACHINES: Suitable for drilling machines, pistol drills, bench drills, vertical drilling machines, handheld electric drills, vertical electric drilling machines, mobile belt magnetic drilling machines, etc. 5、DRILLING HOLES FOR HINGE SCREWS: With the function of drilling holes for hinge screws, the distance between these screws is 46mm, 48mm or 52mm respectively Specification Item Type: Concealed Hinge Jig Material: ABS Router Bit Diameter: Approx. 35mm / 1.38in Package List 1 x Positioning Board 1 x Wrench 1 x Router Bit 1 x Socket 1 x Fixed Rod 2 x F Clamps 1 x Drill Bit