Irwin 15-Piece Cobalt Drill Bit Set, 1/16 In. thru 3/8 In. Mid-Flex 3 Cylinder design eliminates traditional pins

Cylinder design eliminates traditional pins and springs allowing instant rekey functionality

Panels are resistant to water

Fast acting

000 max RPM

Irwin 15-Piece Cobalt Drill Bit Set, 1/16 In. thru 3/8 In. Mid-Flex 3 Cylinder design eliminates traditional pinsConstructed 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