7/16 inch O.D. x 1-7/8 inch useable length linch pin. 1-5/8 inch diameter extra heavy locking ring

Cat. 0 lower link pin. 5/8 inch diameter, 1-1/8 inch useable length, 3-7/8 inch overall length, 5/8 inch thread diameter with adjustable jam nut

Cat. I to Cat. 0 lower link pin. 7/8 inch diameter, 1-3/4 inch useable length, 4-1/2 inch overall length, 5/8 inch thread diameter with adjustable jam nut