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.
