This 18-piece 1/2" drive multi-fit socket set from Neilsen is designed to drive Metric and SAE sockets, as well as Star type fixings. The set includes sizes from 10mm to 32mm and is manufactured from high-quality chrome vanadium steel for increased durability. The sockets are heat-treated, hardened, tempered, and fully polished. The set is stored in a handy case for quick and easy storage. It features a 1/2" drive and includes a socket rail.