Our Multi-Nut Driver W/ SHOCKWAVE Impact Duty Magnetic Nut Drivers delivers the most versatile nut driving. This multi-bit driver features easy-access on-board storage which keeps nut drivers organized, allowing users to quickly change between sizes. The removable SHOCKWAVE Impact Duty 1/4 in hex shank is impact ready for maximum jobsite versatility. The nut driver also features ink filled color coded bands for easy size identification. The driver handle is backed by a limited lifetime warranty.