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.