Zeliceka TCT 14 pcs Carbide Hole Saw Kit for Hard Metal, Heavy Duty Carbide Tungsten Carbide Tipped Hole Saw Set, with 1 Aluminum Box 2 Extra Pilot Drill Bits and 2 Hex Key 4.4 out of 5 stars 139 1 offer from $59.99 #50 Concrete Hole Saw Kit of 20PCS & Hole Saw Set with SDS...