6 Pcs, Standard Pilot Bit Accessory For Hole Saw, Dms04-9014, Finish: Uncoated (Bright); Cutting Direction: Right Hand

Bi-Metal Hole Saws, Supports heavy duty cutting with its rugged constitution, which is constructed on tough metal. It needs just one pass to cut through studs. It cuts faster, smoother without as much vibration as the others due to its variable pitch teeth., Premium Grade Steel