15-pc Cobalt Sets, 1/16 in – 3/8 in Cut Dia.

Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals|135-degree split point reduces feed pressure for easier penetration without work hardening|Durable rubber-sided case for added impact resistance|Sliding latch design provides added security|Available with a variety of drill bit types and piece count configurations