Door lock kit utilizes C-clamp design with tool-free clamping and no damage Door lock kit utilizes alignment window and taller bushings to deliver accurate height placement and straight drilling Door lock kit includes two adjustable bushings which accept both standard backsets and both common door thicknesses Designed to fit the most common lock sizes in use today Works well with metal or wood doors, Weight: 1.3999353637 Pounds, Manufacturer: Wesafrae