Universal joint, impact 3/8". Made from a unique CrMo SCM-440 steel alloy, which has twice the tensile strength of regular carbon steel and three times the resistance to plastic deformation. Thanks to the steel used, the sockets do not crack during impact work and maintain their nominal dimensions for a longer period. Dimensions: length 48 mm, d1 24.6 mm, d2 12.8 mm.