Premium CR-MO Steel: Made of premium heat-treated CR-MO steel, this wheel nut impact socket set delivers exceptional strength, toughness, and long-lasting wear resistance. Finished with a blue electrophoretic coating, it resist rust and provide high visibility for easier selection in your toolbox Protective Design: Our wheel impact socket features inner plastic inserts to prevent scratching wheel nuts, while outer sleeves protect wheel surfaces during tire changes and maintenance. The 6-point interior design ensures a secure fit for your lug nut sockets, enhancing grip for efficient torque transfer with a torque wrench or hand tools Dual-Compatible Drive: Designed for versatile use, the wheel nut socket includes a rubber ring that supports two connection types — it fits directly onto detent pin anvils with built-in steel balls or pairs with through-hole anvils using a pin and O-ring. This wheel socket set offers flexible compatibility for different impact wrench socket sets and setups Easy Size Identification: Our impact socket is marked with durable laser-etched size markings that resist wear, and color-coded electrophoretic coatings help quickly distinguish each wheel socket at a glance Wide Application: Featuring a 1/2-inch drive, this impact sockets is compatible with most impact wrenches, torque wrenches. The 86 mm extended length allows access to deep or tight spaces, making it perfect for precise and safe lug nut installation and removal, Weight: 0.51 Pounds, Manufacturer: Hang Zhou Great Star Industrial Co.,LTD