Irwin 76mm C-ring Impact Screwdriver Bit

IRWIN® Impact Performance Series™ insert bit holders are built for maximum durability and long life with impact tools. They have a c-ring design with an external clip that fits into the retaining ring notch of the insert bit and a powerful rare earth magnet – both of which hold bits securely in place. Plus, with a 1/4" quick-change shank, they're designed to work with all types of impact and rotary drivers.