Universal Door Lock and Door Knob Installation Kit

Make replacing your locks a breeze with the Door Lock Installation Tool Kit. This door lock installation kit is designed to fit the most common lock sizes in use today. Its crafted to work with either metal or wood doors and includes hole saw consisting of durable M3 steel. It also includes backing plates that are reinforced to counteract warping. Features & Specifications Set includes 2 pcs hole saws, 1pc mandrels and 1pc plastic mold Hole saw size: 1", 2-1/8" Heat treated and dark blue finished carbon steel Drill perfect holes for doors lockset