Greenlee 645-1-3/8 Carbide Hole Saw, Carbide Tipped, 1-3/8 In, Stainless Steel;

Greenlee 645-1-3/8 Specifications:Requires 645-011 arbor (sold seperately). Quick Change Stainless Steel Carbide-Tipped Hole Cutter - 1-3/8" (34.9 mm), Conduit Size 1"Greenlee 645-1-3/8 Features: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 teeth for optimum performance and durability. Minimum chuck size of 3/8" (9.5 mm)