The Milwaukee Door Lock Installation Kit saves time and frustration when installing locksets and deadbolts. Designed for accuracy and ease of use, the Door Lock Installation Kit makes it simple to align and drill holes in slab doors. Whether you're remodeling, replacing a damaged door or adding a deadbolt, the auto-centering guide and anti-splinter depth stop let you make centered holes with a clean finish. This versatile kit works with wood and metal interior and exterior doors from 1-3/8 inch to 1-3/4 inch thick. The 10-piece kit includes an auto-centering drill guide, anti-splinter depth stop, 2-1/8 inch Hole Dozer hole saw, 1 inch Hole Dozer hole saw, small arbor & PB, arbor adapter and spacer, two 3/32 inch drill bits and two 1/8 inch drill bits for pre-drilling holes for latch plate screws.