1/2″(F) X 3/8″(M) Forged from chrome molybdenum steel and chemically blacked for corrosion protection. Hole for ball retainer in the female end and a spring ball retainer in the male end.
3/4″(F) X 1/2″(M) Forged from chrome vanadium steel and chemically blacked for corrosion protection. Groove and hole in the 1/2″ female end to receive a ring and pin. It has a hole in the 3/4″ male end to receive a pin.
