Door lock kit utilizes alignment window and taller bushings to deliver accurate height placement and straight drilling. Door lock kit includes 2 adjustable bushings which accept both standard backsets and both common door thicknesses. Deep-cut style hole saws for improved efficiency and versatility and high-speed steel height and double-tooth design for increased durability. Hardened backing plates prevent warping and thread stripping. Set includes (1) each hole saw: 3/4", 7/8", 1", 1-1/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/8", 2-1/4", 2-1/2", a small quick change mandrel, a large quick change mandrel, replacement parts (including 2 Pilot Point centering bits), and case. No. D180005: Pieces In Set: 14 pcs, Material: High Speed Steel Saws,Double Tooth, Type: Door Lock Kit, Pkg Qty: 1, Package Type: Box ---- 1. 海外直輸入品となりますので、新品であっても、パッケージに多少のダメージがある場合もございますが、商品本体には問題ございませんのでご安心ください。2. 日本国内でのメーカーによる製品保証等は適用されません。3. パッケージや、説明書等は、英語表記となります。