Door Lock Installation Kit, Steel Hole Saw

【Precise Lock Setup】 The door lock installation kit with an adjustable guide jig helps position the drill holes on wooden doors. Suitable for 1 3/8", 1 1/2", and 1 3/4" door thicknesses for common lock jobs. 【Latch Mortise Cut】 The door latch installation kit includes interchangeable square and round blades and a top chisel to shape the latch areas and cut the lock openings with cleaner alignment during installation. 【Common Door Fit】 Designed for wooden doors and 2 3/8" and 2 3/4" lock spindles. The spring-loaded latch arm adjusts to the frame's width and height, making installation easier for repairs or new hardware. Material Details: Includes guide pieces made of ABS and carbon steel hole openers with drill shank. The reinforced plastic jig allows for repeated positioning, while the metal cutters handle drilling and mortising. [For DIYers and Professionals] Useful for home renovation and workshop projects. Drill halfway through on one side, then finish on the other to reduce tear-out and improve hole alignment.