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™ magnetic nut drivers are engineered for extreme durability and up to 10x life. Made from proprietary steel and heat treated to control hardness, 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. Broadly targeting cordless users, the SHOCKWAVE™ Impact Duty™ accessory line is not only ideal for heavy duty impact applications, but delivers a full system solution for all the user's drilling and fastening needs.