The Ko-ken RS3400W/7 3/8″ Square Drive Socket Set is a 7-piece Whitworth socket collection designed for precision fastening. This set features 6-point sockets in sizes 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, and 1/2″, all mounted on a 200mm rail for easy organization and accessibility. Engineered for durability and performance, these sockets provide a secure grip on fasteners, making them ideal for a variety of professional applications. This Whitworth socket set is a valuable addition to any toolbox, ensuring reliable and efficient operation in your fastening tasks.

Input Drive Size: 3/8″ Drive Shape: Square Length: 200mm (rail) Type: 6 Point Whitworth Socket Set on Rail Output Sizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 inch Includes: (7) 6-pt Whitworth Sockets on Rail Opening: 6pt