1. Stainless steel locking ball ensures secure fit, sockets snap on tightly won't slip off. 2. Made of CR-V steel with mirror-polished, for strength, durability, rust and corrosion resistance. 3. Applies to the screwdriver handle or electric screwdriver tools (hexagonal hole or three jaw chuck can be). 4. It can access hard-to-reach fasteners. 5. Can be used for the installation of the sleeve, it is a good accessories to convert.
Specification: Material: chromium-vanadium steel Color: silver Size:1/4",3/8",1/2" The total length: 52mm; 54mm; 56mm Weight: 98g Quantity: 3pcs
