The 49-66-4515 Milwaukee SHOCKWAVE 3/8'' Insert Nut Driver 3PK is engineered for extreme durability and up to 30x 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. Designed for use with Milwaukee® SHOCKWAVE Magnetic Bit Tip Holders 2.36'', 3'', 6'', 12'', 30° Knuckle™ Pivoting Bit Holder and all bit tip holders.