Fortum (4701527) socket, 1/4", 14 mm, L 50 mm, 61CrV5

Drive Socket - for greater durability, Fortum socket wrenches are cast from 61CrV5 chrome-vanadium steel and treated on NCS machines, oil-hardened and perimeter hardened for optimum hardness and strength in a thin-walled construction, 61CrV5 and 61CrV4 (designated both 6150 and 6140) is the highest grade of chrome-vanadium steel, hardened and finished with matt hard chrome to achieve optimum surface hardness and corrosion resistance, this steel is used for all but the most exposed parts TECHNICAL PARAMETERS - 14 mm, L 50 mm