Ball, 1/4'' impact joint. Made of unique CrMo SCM-440 alloy steel, which has twice the tensile strength of ordinary carbon steel and three times the yield strength. Thanks to the steel used, the sockets do not break under impact work and retain their nominal dimension for a longer period of time.

Dimensions:

• length 34.5 mm
• d1 17 mm
• d2 8.3 mm