Koken RS3410M/12 3/8" surface.Dr set 8-19mm

Surface Drive sockets are designed to retain contact with the flat sides of the nut to transmit high torque and reduce nut wear. These sockets are ideal for use on polished nuts, aluminium nuts, and nuts with worn-out points

3/8"Square Drive Set Includes: 8,9,10,11,12,13,14,15,16,17,18 & 19mm
Supplied on steel socket rail.