MILWAUKEE SHOCKWAVE Impact Duty 1/2 Drive 6 Point Lug Nut Wheel Sockets feature the Most Durable, Non-Marring Sleeve to protect rims during tire changes. The ARMOR-GUARD Sleeve is made with premium, durable plastic for Lasting Protection against cracking or shredding during wheel installation and removals. The sockets are thin-walled for easy access in tight wheel assemblies and feature a non-marring plastic insert to protect lug nuts during use. The sleeves are color-coded, Gray for Metric sizes and Red for SAE sizes, to ensure easier socket selection while also featuring stamped & ink filled sizes for the Boldest, Longest Lasting markings. Milwaukee sockets are engineered with high strength forged steel for optimized performance in heavy-duty applications. The dual-hole design and ring groove allow for easy socket attachment and removal. MILWAUKEE SHOCKWAVE Impact Duty Lug Nut Wheel Sockets are optimized for use with 1/2 drive impact wrenches, drivers, ratchets, and adapters and meet ASME industry standards for thin-walled sockets.