Ideal for DIY enthusiasts, homeowners and professionals The door lock installation kit includes: (1) door lock bracket, (1) 3/8 triangle shank hole saw arbor with adjustable tenon point pilot bit, (1) 1 carbon hole saw, (1) 2-1/4 carbon hole saw, (1) installation guide (may not be in English). Carbon Steel Hole Saw Set Do It Best Door Lock Installation Kit For Wood Doors | Do It Best Carbon Steel Lock Install Kit With Guide Install door locks with ease with Geinxurn's wooden door lock kit. Steel Door Lock Installation Kit at Mary Nugent blog Adjustable plastic guide template fits 1 3/8 and 1 3/4 thick doors, fits mandrel sizes Includes hole saw made of robust M2 steel. Comes with a pilot bit, heavy duty arbor, and carry case for easy storage. Designed to fit the most common lock sizes in everyday use and works well with metal or wooden doors. The set is measure-free and works with door thicknesses from 1-3/8 to 1-3/4. Ryobi Door Lock Installation Kit Package includes: (1) Door Lock Bracket, (1) 3/8 hex shank hole saw arbor with adjustable tenon tip pilot bit. The guide template fits 1-3/8-inch and 1-3/4-inch thick doors and 2-3/8-inch and 2-3/4-inch backsets. This hole saw kit is designed for use on wood doors and is constructed out of high carbon-steel Perfect for installing latches, door knobs and latches on wooden doors.