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.