Kwik Change Hole Cutter Kits, Carbide-Tipped, 7/8 in-1 3/8 in Cut Diam.

Features: Quick change arbor allows you to change cutter head with a simple push and a turn | Ejector Spring on all sizes above 3/4" makes removal of slug easier | Flange stop prevents over-drilling | Minimum chuck size of 3/8"