Bi-metal construction and hard steel RC 65-66 for long life; 4/6 variable pitch teeth for reduced noise and improved performance with clearly printed hole saw sizes for quick retrieval. Includes (1) each:  7/8", 1-1/8", 1-3/8", 1-3/4", 2" and  2-1/2", (1)  each: 1/2" hex shank, 3/8" hex shank, pilot drill and carrying case.

Utilizes a deep cut technique, which broadens functionality by increasing the variety of widths the saw is compatible with; tooth and set guide, broad, toughened backing plates that avoid marring around the bores. Bi-metal section made from M3 steel for added protection against jobsite abuse. Includes (1) each:  7/8", 1-1/8", 1-3/8", 1-3/4", 2, 2-1/2", small Quick Change mandrel, large Quick Change mandrel, replacement parts and a rugged kit box.

High speed steel teeth are reinforced to cut stronger, last longer, resists tooth strippage and withstands high torque. Includes (1) one each: 7/8", 1-1/8", 1-3/8", 1-3/4", 2", 2-1/2", arbors: 2L, 5L and carrying case.

Cryogenically treated for longer life; bi metal construction with 8 percent cobalt for increased wear resistance. Optimized tooth form for faster cutting, wide, angled and offset slots for easy plug access. Includes: Storage space for one (1) 12" extension or two (2) 6" extensions, Fourteen (14) hole saws: 3/4", 7/8", 1-1/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-5/8", 3", 3-5/8", 4-1/8", 4-3/4"; Two (2) arbors; Three (3) drill bits; One (1) adapter; One (1) spacer; Space for additional hole saws.