Cat. I to Cat. II lower link pin. 7/8 inch diameter, 2-3/8 inch useable length, 6-3/8 inch overall length, 1-1/8 inch thread diameter with adjustable jam nut

Cat. II lower link pin. 1-1/8 inch diameter, 1-3/4 inch useable length, 6-1/4 inch overall length, 1-1/8 inch thread diameter with adjustable jam nut

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