The Ko-ken RS4410M/10 1/2" Square Drive Socket Set features ten Surface Drive sockets designed to maintain contact with the flat sides of nuts, allowing for high torque transmission while minimizing wear. With sizes ranging from 10mm to 22mm, this set includes 10, 11, 12, 13, 14, 15, 17, 19, 21, and 22mm sockets, all organized on a convenient 300mm rail. The Surface Drive design ensures effective engagement with painted face nuts and soft material bolts, significantly reducing the risk of damage. This set is also suitable for use on damaged or deformed bolts and nuts, making it an essential addition to any toolkit.