KATA 1-3/8" - 1-3/4" Door Lock Installation Kit with Large

Carbon steel+plastic Package Includes: 1 PC U-type adjustable plastic guide template, 2 PCS 1”(25 mm) and 2-1/8”(54 mm) hole saws, 1 PC arbor with drill bit. Depth of saw blade is 50 mm Easier to Use：Specially shaped desigh, large chip-clearance slots, easy plug removal Durable Material: Carbon steel made hole saws and arbor, reinforced plastics guide template For Daily Use：Designed to fit the most common lock sizes in daily use and works well with wood doors. The adjustable plastic guide template fits 1-3/8-inch and 1-3/4-inch thick doors, fits 2-3/8-inch and 2-3/4-inch backsets