Impact XPS Magnetic Nutsetters are designed to drive hex head nuts & self-tapping screws in a variety of applications. The Hex opening has flat edges to provide full contact with flanged hex head screws, and the lobular design in the hex drive is engineered to reduce stripping damage by driving fasteners on the sides, not the corners. With a fixed magnet insert which allows for easy one-handed operation. - Impact XPS Magnetic Nutsetters are designed to drive hex head nuts & self-tapping screws in a variety of applications. The Hex opening has flat edges to provide full contact with flanged hex head screws, and the lobular design in the hex drive is engineered to reduce stripping damage by driving fasteners on the sides, not the corners. With a fixed magnet insert which allows for easy one-handed operation, the Impact XPS Nutsetters are available in 1/4”, 5/16”, 3/8”, 7/16” & 1/2” 65mm long as well as 1/4”, 5/16” & 3/8” available in 150mm long. - Rare Earth Magnet for increased holding power - Matte Nickel Coated Chromium-Vanadium Alloy Steel great oxidation, corrosion, and abrasion resistance. - Calibrated Heat Treatment for added durabilitySpecificationsImpact XPS Magnetic Nutsetters are designed to drive hex head nuts & self-tapping screws in a variety of applications.3 pack45mm Magnetic Nutsetter 1/4, 5/16, 3/8