Fastener Drive Impact Irwin

Features:
1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks
Lobular design drives fastener on side instead of corner for less stripping and longer life
Rare earth magnets hold fasteners securely with 4x the hold of standard magnets
Designed for trade professionals who expect the highest performance, power and durability from their tools and accessories, IRWIN® has launched the IMPACT PRO PERFORMANCE SERIES: a new line-up of innovative, high-strength, magnetised* Impact Bits. Engineered for use with the most powerful impact drivers and drills for the completion of multiple metal and wood fastening applications, these robust and reliable impact bits can handle the most powerful turning force and torque requirements.