Check the listing for details. Nut Driver Drill Bit 5/16" Socket 1/4" Hex Shank 6" Long Magnetic Setter. Color: Black, Condition: New. Listed at 17.72 USD. The nut driver drill bit tool is crafted to engage effectively with hexagonal socket screws and bolts. The tool is made of chrome vanadium alloy steel, ensuring robustness, longevity, abrasion resistance, and rust resistance, and the phosphate blackening surface enhances corrosion resistance, wear resistance, and high-temperature stability.The power nut drivers feature a magnetic tip, ensuring screws and bolts are securely held in place for effortless and precise application. The hexagonal design helps achieve a solid grip and effective torque transfer from the tool to the fastener, reducing the effort needed. Additionally, the extended length design of this nut driver drill bit tool provides enhanced reach and access in tight spaces, ensuring it can effectively handle a wide range of applications with precision and ease.