Package lncludes: 1 count U-type adjustable plastic guide template, 2 count 1"(25 mm) and 2-1/8"(54 mm) hole saws,1 Pc arbor with drill bit Depth of is 50 mm

Durable Material: Carbon steel made hole saws and arbor, reinforced plastics guide template

Easier to Use：Specially shaped desigh, large chip-clearance slots, easy plug removal

For Daily Use：Designed to fit the common lock sizes in daily use and works well with doors. The adjustable plastic guide template fits /8-inch and /4-inch thick doors, fits 2-3/8-inch and 2-3/4-inch backsets

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