This 18-piece socket set from Neilsen features a 3/8" drive and a multi-fit design capable of handling metric, SAE, imperial, and star type fixings. The set includes sockets ranging from 6mm to 24mm. Made from Chrome-Vanadium steel, these sockets are durable and built for long-lasting use. The set comes with a convenient carrying/storage case. Its special "gear-lock-profile" allows it to drive various types of fixings.