Milwaukee SHOCKWAVE™ Impact Duty™ 3/8" x 6" Magnetic Nut Driver is engineered to endure heavy-duty use, making it a reliable tool for tough applications. This nut driver securely holds screws in place during setup, ensuring firm bit engagement for efficient work. Crafted from heat-treated CUSTOM ALLOY76™ steel, it features SHOCK ZONE™ technology that absorbs peak torque to prevent bit breakage. The chamfered edge design allows for maximum screw-head engagement, while the hex geometry provides a precise fit that reduces stripping, enhancing durability and performance. Model Number: 49-66-4585