Milwaukee 19 Piece Master Electrician's Ice Hardened Hole Saw Kit, (49-22-4145)
Product Information Ice Hardened™ cryogenically treated for up to 50% longer life, optimized tooth form for up to 2 times faster cutting, wide, angled and offset slots for easy plug access, and bi-metal construction with 8% cobalt for increased wear resistance. This kit includes: one 1 1/2 inch "Ice Hardened" bi-metal hole saw; one 1 1/8 inch "Ice Hardened" bi-metal hole saw; one 1 3/4 inch "Ice Hardened" bi-metal hole saw; one 2 1/4 inch "Ice Hardened" bi-metal hole saw; one 3/4 inch "Ice Hardened" bi-metal hole saw; one hole saw arbor adapter; one small thread arbor, 3/8 inch; one large thread quick change arbor, 7/16 inch; two 1/4 inch x 3 1/2 inch high speed steel pilot bits; one hole saw arbor spacer; and one 7/8 inch "Ice Hardened" bi-metal hole saw.