Size:7/8-Inch Product description Flange stop prevents over-drilling. Quickchange arbor allows you to change cutter heads with a simple push and turn.Rated to cut stainless steel From the Manufacturer Greenlee’s quick changestainless steel hole cutters cut stainless steel quickly and easily. The quickchange arbor allows you to change cutter heads with a simple push and a turn.Uses the same arbor for different size cutting heads. Removable cutter headsare available in sizes from 5/8-Inch through 3-Inch. Flange stop preventsover-drilling. Ejector spring on all sizes above 3/4-Inch makes removal ofslug easier. Replaceable, cobalt-steel pilot drill with split-point tip toprevent walking. Precision carbide teeth for optimum performance anddurability. Minimum chuck size of 3/8-Inch.