SK Tools 3/8" Drive, 6 Point, Standard SAE Chrome Socket Set. Made from heat-treated chrome vanadium steel for durability. Set includes: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 7/16", 1/2", and 9/16" standard 6 point sockets packaged on an aluminum rail for easy storage and organization.