Premium Quality: Each socket adapter is made of heat-treated and black phosphate coating treatment hardened chrome vanadium steel for superior durability.
Secure Hold: Includes a bit holder with magnetized ends to securely hold 1/4-inch bits.
Versatility and Convenience: Spring ball bearings on each square head to securely lock into sockets to avoid slipping during use. Compatible with common to heavy-duty power tools, drivers, hand wrench, and screwdriver handle tools for flexible uses.
Organized Storage: Convenient organizer/holder and storage case let all the socket adapters stay organized to take your set on the go.
What You Will Get: 4 * 1/4-inch drives, 2 * 3/8-inch drives, 2 * 1/2-inch drives, 1 * magnetic bit holder, 1 * convenient organizer, 1 * storage case, and our easy-reach customer service.