Specification 100% good condition and Brand new Material: Chrome Vanadium Steel Color: Silver Length: 50 mm Specification: 1/4" hex to 1/4"(6.35 mm) square(1/4"); 1/4" hex to 3/8"(9.53 mm) square(3/8"); 1/4" hex to 1/2"(12.7 mm) square(1/2") Feature: Stainless steel locking ball ensures secure fit, sockets snap on tightly won't slip off. Made of CR-V steel with mirror-polished, for strength, durability, rust and corrosion resistance. Applies to the screwdriver handle or electric screwdriver tools (hexagonal hole or three jaw chuck can be). It can access hard-to-reach fasteners. Can be used for the installation of the sleeve, it is a good accessories to convert. Package Included 1x Socket Adapter Note: Because of the light irradiation or computer display difference, please understand we can't guarantee photos and real color is 100% same.