Brand: Milwaukee Tool Manufacturer's Part Number: 49-66-7831 Part Type: Lug Nut Sockets Product Line: Milwaukee SHOCKWAVE Impact Duty Lug Nut Sockets Summit Racing Part Number: MWT-49-66-7831 UPC: 45242766994 Socket Type: Deep well 6-point Impact Rated: Yes Socket Finish: Black Socket Material: Steel Quantity: Sold as a set of 5. Socket Drive (application): 1/2 in. Additional Information Socket Size 13/16 in. 7/8 in. 17mm 19mm 21mm Milwaukee SHOCKWAVE Impact Duty Lug Nut Sockets Milwaukee SHOCKWAVE Impact Duty lug nut sockets feature the most durable， non-marring sleeve to protect rims during tire changes. The ARMOR-GUARD sleeve is made with premium ABS plastic for lasting protection against cracking or shredding during wheel installation and removals. The lug nut sockets are thin-walled for easy access in tight wheel assemblies and include a non-marring plastic insert to protect lug nuts during use. The sleeves are color-coded (gray for metric sizes， red for SAE sizes) to ensure easier socket selection， along with stamped and ink-filled sizes. 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. SHOCKWAVE Impact Duty 6-point lug nut wheel sockets are optimized for use with 1/2 in. drive impact wrenches， drivers， ratchets， and adapters and meet ASME industry standards for thin-walled sockets. They're available in common sizes―individually or in a variety of multi-piece sets.