KATA 1-3/8" - 1-3/4" Door Lock Installation Kit for Wooden Doors with Guide Template, Door Lock Hole Saw, Carbon Steel

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, Durable Material: Carbon steel made hole saws and arbor, reinforced plastics guide template, Easy Lockset Installation: The adjustable guide template for easy and exact drilling with snap-lock arms for selecting door width and backset. Complete installation in 4 easy steps, 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