Milwaukee Impact Duty™ 1/2" x 6" Magnetic Nut Driver is engineered with the Most Durable Magnet to stand up to heavy duty applications throughout the life of the nut driver. This magnetic nut driver securely holds screws during application set-up, providing unyielding bit engagement for reliable performance. Crafted from heat treated CUSTOM ALLOY76™ steel, it controlled hardness that extends bit life significantly. The optimized SHOCK ZONE™ technology absorbs peak torque and prevents bit breakage, ensuring durability under tough conditions. Featuring a chamfered edge for maximum screw-head engagement and improved hex geometry for fit, this tool reduces stripping during use. Color-coded bands help easily select the right diameter, and it is designed for use with impact drivers and drill drivers, making it a versatile addition to any toolkit. Model Number: 49-66-4587