The 40 piece socket and ratchet drive bar set have both imperial and metric sizes. It’s a small and compact and useful addition to any workshop or toolbag. The set comprises an extension bar to help gain access to those difficult bolt heads and a spark plug spanner. Sizes range from 5/32 to 1/2 inch in the AF imperial sockets and 4mm to 13mm in the metric sizes. It also includes 8 point sockets for additional grip, a spinner handle and disc. Comes in both 1/4 and 3/8ch AF drive socket sizes with the compact adaptor. Carbon steel ratchet handle chrome plated for rust resistance. Can be set to both counter and anti-clockwise ratchet function. Extension bar for difficult to reach areas. Comes with a spark plug spanner,150mm spinner handle and disc. Supplied in a strong clip closed moulded storage case. 1/4″ imperial drive sockets – 12pcs AF Size 5/32, 3/16, 7/32, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32″, contains 3pcs (8 point) sockets AF size 5/16”, contains 12pcs 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm, and 3/5″. 3/8″ imperial drive sockets contains 3pcs AF size 9/16, 11/16″, contains 3pcs 14, 16, 17mm