$53.99 Lenox Speed Slot 1772430 Hole Saw, 1/2 in Arbor, 1-1/2 in D Cutting, M2 HSS Cutting Edge 
Drilax Diamond Hole Saw Drill Bit 3 Pcs Set 1/2 inch -3/4 inch - 1 inch - Drilax Diamond Tools 
CRAFTSMAN 1-1/2-in Bi-Metal Arbored Hole Saw in the Hole Saws & Kits department at Lowes.com
