13 bi-hex sockets and 5 accessories for aeronautical maintenance..tg {border-collapse:collapse;border-spacing:0;}.tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;}.tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;}.tg .tg-5ua9{font-weight:bold;text-align:left}.tg .tg-s268{text-align:left} Contents: Part Number Description & Sizes 910AS bi-hex 3/8\" square drive sockets: 1/4 | 5/16 | 11/32 | 3/8 | 7/16 | 1/2 | 9/16 | 19/32 | 5/8 | 11/16 | 3/4 | 13/16 | 7/8\" 910/21 extension bar - 3/8\" 125 mm 910/22 extension bar - 3/8\" 250 mm 910/25 3/8\" drive universal joint 910/42 3/8\" drive sliding T - handle 910M/55 3/8\" Square Drive Reversible Ratchet Metal Handle