Serrated gobo heads insure a strong bite and prevents side roll.
Stainless steel helicoil inserts in riser castings.
V-shaped brass brakes ensuring 3-point strong contact.
Stay put T-handles wont fall out of riser castings.
Aluminum Magic Gasket ensures once grip head is engaged it will not slip and load won't sag.
Knurled baby pin ensures whatever is being mounted stays put.