Serrated gobo heads insure a strong bite and prevents side roll.
Thrust bearing ensures ease of operation when tightening and loosening head.
Aluminum Magic Gasket ensures once grip head is engaged it will not slip and load won't sag.
Thick threaded collars ensuring a solid bite from t-handles and set screws.
V-shaped positive lock junior reciever.
Plates now feature two holes of 3/8" and 5/8" diameter that eliminate any confusion. New casting offers positive lock in all directions. The strongest and most popular 4-1/2" GripHead in the industry. Guaranteed to hold.