Craftsman 13pc Bi-metal Hole Saw Set 975004 Plumber Electrician Drill Bit Blade Brand New CRAFTSMAN 13pc Bi-Metal Hole Saw Set. 1-3/4" Cutting Depth. Sizes Include: 3/4" 7/8" 1" 1-3/8" 1-1/2" 1-3/4" 2" 2-1/8" 2-1/2" 1pc Quick Change Mandrel With Pilot Bit 1pc Regular Mandrel With Pilot Bit 1pc Mandrel Adapter 1p