Features and Benefits:�Custom Alloy76™ Steel is engineered to extend life�Strong magnetic tip for fastener retention�Color-coded band for easy size identification�Provides up to 30X life�Designed for heavy-duty impact applications�Designed for use with Impact Drivers and Drill DriversMilwaukee® 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.