Proto 7121 Hex Shank Extensions, 1/2″ (Male Square); 7/16″ (Male Hex) Drive, 2 3/4″ Long (1 EA)
Hex Shank Extensions, 1/2″ (Male Square); 7/16″ (Male Hex) Drive, 2 3/4″ Long
Proto 7121 Hex Shank Extensions, 1/2″ (Male Square); 7/16″ (Male Hex) Drive, 2 3/4″ Long Features:
One-piece construction ensures concentricity
Precision machined tips for proper fastener engagement
Special heat treat ensures long life
