Quick Change Carbide Tipped Hole Cutter 1-3/8" (34.9 MM). Cuts Stainless Steel Quickly and Easily. Quick Change Arbor Allows You to Change Cutter Heads With A Simple Push and A Turn. Use The Same Arbor For Different Size Cutting Heads. Removable Cutter Heads Available In Sizes From 5/8" Through 3". Flange Stop Prevents Over-Drilling. Ejector Spring On All Sizes Above 3/4" Makes Removal Of Slug Easier. Replaceable, Cobalt-Steel Pilot Drill With Split-Point Tip to Prevent Walking. Precision Carbide T