Belt B Imperial 1. 9-piece set. Includes 9 color coded hex (Allen head) socket bits with 1/4" drive and holding function. The fast and easy Twist to Unlock system keeps sockets secured in the robust textile belt, until you decide otherwise. Belt comes with a carabiner for attachment and backside with a hook & loop fastener. Series 8740 B HF - Hex (Allen head) socket bits. 3/8" drive. 107mm long. Sizes 5/16" and 3/8" are 38.5mm long. Incl. 1/8"; 9/64"; 5/32"; 3/16"; 7/32"; 1/4"; 5/16"; 3/8". Belt B 0/8. Dimensions: 45mm wide x 275mm long. Hook and Loop fastener Strip 30. Dimensions: 30mm wide x 200mm long.