Titan Tools 16140 Low Profile Stubby SAE Hex Bit Socket Set - 9 Piece Set of 9 low profile hex bit sockets ideal for confined spaces Impact grade 1/4" Drive Sockets: 1/4, 5/16 and 3/8" 3/8" Drive Sockets: 7/16, 1/2, 9/16, 5/8, 11/16 and 3/4" Includes rail storage rack