Our 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. Our sockets are engineered with high strength forged steel for optimized performance in heavy duty applications. The customizable Socket Rail comes with removable end caps to add or take off socket clips for optimal storage. 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 1/2in drive impact wrenches, drivers, ratchets, and adapters and meet ASME industry standards for thin-walled sockets