Pretul Lock Installation Kit 4 pcs
Drill Saws Made of Carbon Steel.
For 1 3/8 "(35 mm) - 1 3/4" (45 mm) thick doors.
For installing wooden or aluminum doors that are 35mm (1 3/8 ") to 45mm (1 3/4") wide.
For installing locks on wooden doors that have 2 3/8 "(60 mm) or 2 3/4" (70 mm) edge of door to center of lock.