The 40 piece socket and ratchet drive bar set have both imperial and metric sizes. Its 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. Features and Benefits StrongCarbon steel ratchet handle chrome plated for rust resistance. Metric and Imperial sizesComes in both 1/4 and 3/8 inch AF drive socket sizes with the compact adaptor. Ratchet HandleCan be set to both counter and anti-clockwise ratchet function. CaseComes in strong clip closed moulded storage case. AccessoriesComes with spark plug spanner, 150mm spinner handle and disc. Specifications Colour: Black Material: Metal 40pc 1/4" & 3/8" Dr. Socket Set Whats included 3/8" Dr. Reversible ratchet handle 3/8" D