The Freud-Diablo DB Step Bit 1/2" 6 Steps, Multi, 1/4", 3/8", 1/2" DSD0500S06 is a step drill bit that offers fast, accurate cuts and increased stability in thin metals, PVC, and other plastic materials. It features an innovative split point tip design for fast, on-point starts, and an automated precision grinding process for reduced wear and faster cuts. The bit also has laser etched step markings for easy multiple hole sizes