Features and Benefits:�Designed for use with Milwaukee® SHOCKWAVE™ magnetic bit holders.�Strong magnet for secure grip.�Color-coded band for easy size identification.�Custom Alloy76™ steelMilwaukee® SHOCKWAVE™ Impact Duty™ insert magnetic nut drivers are engineered to be more durable delivering up to 30x life. Made from our Custom Alloy76™, the SHOCKWAVE™ Impact Duty™magnetic nut drivers feature a powerful magnet allowing for a secure grip and unyielding bit engagement. The bits feature color-coded rings for quick and easy size identification and a chamfered edge to allow for fastening in tight spaces. Designed for use with Milwaukee® SHOCKWAVE™ magnetic bit holders 2.36 in., 3 in., 6 in., 12 in., 30° knuckle™ pivoting bit holder and all bit tip holders.