Disston 703464 4.25 in. Master Mechanic Bi-Metal Hole Saw

Master Mechanic 1 Piece 4-1/4 Bi-Metal Hole Saw High Speed Steel Cutting Edge 1-7/8 Depth Of Cut 4/6 Variable Tooth Pattern Provides Less Vibration Delivering Faster Smoother Cuts Then Conventional Hole Saws Features Built In 3/8 Mandrel Which May Be Used With 3/8 Or Larger Drill Recommended For Cutting Soft Or Hard Wood Nail Embedded Wood Stainless Steel Pipe Rubber & Conduit Clamshell Package.