A quality set of colour coded socket adaptors with a 1/4" hex shank. Manufactured from tough Chrome Vanadium Steel (CRV) for longevity and durability. Each has a sprung locking ball to ensure a secure fit for attaching the socket. Sockets can be used with drills, drivers, screwdrivers, etc. They have THREE head sizes at 1/4", 3/8" and 1/2" and come in a sandblasted finish. The 1/4" drive is 65mm in length, the 3/8" is also 65mm in length and the 1/2" drive is 70mm in length. Each is colour coded for ease of use with clear sizes on each. Black phosphate finish to help prevent corrosion. Conveniently grouped with a free adaptor holder.