Category I lower link pin, extra long. 7/8" pin diameter, 2-1/2" useable length, 6-7/16" overall length, 7/8" NF thread, fixed shoulder.

Category I
Pin Diameter 7/8"
Useable Length 2-1/2"
Overall Length 6-7/16"
Thread Dia. 7/8"
Fixed Shoulder Fixed Shoulder