49-22-4095 is Milwaukee's 10 Piece Electricians Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-22-4105 is Milwaukee's 19 Piece Master Electricians Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-22-4145 is Miwaukee's 10 Piece Plumbers Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-22-4155 is Miwaukee's 18 Piece Master Plumbers Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-22-4175 is Milwaukee's 15 Piece General Purpose Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-22-4185 is Milwaukee's 28 Piece All Purpose Professional Ice Hardened Hole Saw Kit. These products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.

49-56-9085 is Milwaukee's 10 Piece Big Hawg Hole Cutters Kit. Big Hawg hole cutters are specifically designed for drilling large holes in rough wood applications with the speed and longevity that HVAC, plumbing, and other professional contractors require.

49-56-9075 is Milwaukee's 7 Piece Big Hawg Hole Cutters Kit. Big Hawg hole cutters are specifically designed for drilling large holes in rough wood applications with the speed and longevity that HVAC, plumbing, and other professional contractors require.

49-22-5100 is Milwaukee's 5 Piece Switchblade Plumbers Kit. Its best Switchblade assortment for the professional plumber. This 5 Piece Switchblade Plumbers Kit contains 4 of the most common selfeed bit sizes, 4 feed screws, 4 set screws, 4 relacement blades, and a 5-1/2 Inch x 7/16 Inch Universal Quik-Lok Extension. The durable, compact carrying case makes it easy to transport from one location to the next. Removable storage case included.

49-56-5090 is Milwaukee's 3/4 Inch Ice Hardened Hole Saw. The Ice Hardened hole saws are made form a cryogenic hardening process rather than heat to create a more durable and longer lasting hole saw.

49-56-5100 is Milwaukee's 7/8 Inch Ice Hardened Hole Saw. The Ice Hardened hole saws are made form a cryogenic hardening process rather than heat to create a more durable and longer lasting hole saw.

49-56-5110 is Milwaukee's 1 Inch Ice Hardened Hole Saw. The Ice Hardened hole saws are made form a cryogenic hardening process rather than heat to create a more durable and longer lasting hole saw.

49-56-5120 is Milwaukee's 1-1/8 Inch Ice Hardened Hole Saw. The Ice Hardened hole saws are made form a cryogenic hardening process rather than heat to create a more durable and longer lasting hole saw.