Material:
Body – galvanized steel
Clevis Pin – galvanized steel
Cotter Pin – stainless steel
ANSI 52-5 & IEC 16mm are generally accepted as being interchangeable
It’s because the structure is like the letter “Y”. On the one hand of the ball clevis is a ball head. On the other hand, there is a steel pin or hex bolt going through the two holes of the ball clevis. So that, there is space for the U clevis to connect to the ball clevis.