Milwaukee SHOCKWAVE™ Impact Duty™ 4-PC 1-7/8" Magnetic Nut Driver Set is engineered for maximum durability, making it an essential addition to any toolkit. Crafted from Alloy 76™ Steel and heat treated for enhanced strength, these nut drivers provide a powerful magnetic grip that ensures stronger bit engagement for efficient work. The color-coded rings on each driver allow for quick and easy size identification, saving time on the job. Designed with a chamfered edge to maximize screw-head engagement and hex geometry to provide a secure fit, these drivers help reduce stripping and increase precision. This set includes four insert nut drivers in sizes 1/4", 3/8", 5/16", and 7/16", delivering versatility for various fastening needs. Model Number: 49-66-4562