Description Our SHOCKWAVE⢠Impact Duty⢠Magnetic Nut Drivers are engineered for extreme durability and up to 30x life. The MILWAUKEE nut drivers are made from a proprietary steel, heat treated to control hardness and feature a strong magnetic tip for a secure grip and unyielding bit engagement. Each magnetic nut driver bit has a color coded ring for quick and easy identification on the jobsite. The SHOCKWAVE⢠Impact Duty⢠accessory line is designed for use with impact drivers and drill drivers and ideal for heavy-duty impact applications, while delivering a full system solution for all your drilling and fastening needs.PRODUCT DETAIL:Custom Alloy76⢠Steel is engineered to extend life. Color-coded band for easy size identification. Designed for use with impact drivers and drill drivers. Strong magnetic tip for fastener retention. Provides up to 30X life designed for heavy-duty impact applications.