The Ko-ken RS3405W/7 3/8″ Square Drive Socket Set is a 7-piece flat drive Whitworth socket collection designed for precision fastening. This set includes 12-point sockets in sizes 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, and 1/2″, all securely mounted on a 200mm rail for easy organization and accessibility. The flat drive design enhances torque transfer while reducing wear on fasteners, making this set ideal for a variety of professional applications. Engineered for durability and performance, this Whitworth socket set is an essential addition to any toolbox, ensuring efficient and reliable operation in fastening tasks.

Input Drive Size: 3/8″ Drive Shape: Square Type: Flat Drive 12 Point Whitworth Socket Set on Rail Includes 3405W Whitworth Sockets: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 Rail: 200mm