Milwaukee SHOCKWAVE™ Impact Duty™ 3/8" x 2-9/16" Magnetic Nut Driver is engineered for maximum durability and performance. Crafted from Alloy 76™ Steel and heat treated for enhanced strength, this nut driver delivers a powerful magnetic grip that ensures stronger bit engagement, making your work more efficient. The color-coded rings provide quick and easy size identification, while the chamfered edge allows for maximum screw-head engagement. Its hex geometry a secure fit that helps reduce stripping, making it a reliable tool for demanding impact duty applications. Model Number: 49-66-4535