Milwaukee's proprietary cryogenic hardening process hardens to the core to create up to a 50% longer life. Has up to 2X faster cutting teeth and wide, angled, and offset slots for easy plug access. Use with steel, non-ferrous metals, wood, plastic. Kit icludes (11) hole saws: 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", (2) arbors with pilot bits, (2) pilot bits, (1) adapter, and (1) spacer.

• Plug Jack is an all access slot design for fast plug removal
• Rip Guard is the strongest tooth form in the industry
• Bi-metal construction with 8 percent cobalt for increased wear resistance
• Limited Lifetime tooth break warranty