Constructed of M-35 5% 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

Includes an Irwin Pro Set Case made of durable molded ABS resin, so it can hold up to anything the job site throws at it

Case includes a full-length metal hinge pin for maximum durability and long life, and bit identification is simple with easy-to-read size markings

Includes: (2) 1/16 In

, 5/64 In

, (2) 3/32 In

, 7/64 In

, (2) 1/8 In

, 9/64 In

, 5/32 In

, 3/16 In

, 7/32 In

, 1/4 In

, 5/16 In

, and 3/8 In