Connects pulling head and pulling rope to eliminate winding and tangling of rope and wire during cable pulls. 10,000 lb. Swivel - Swivel diameter 1 5/8in., Maximum rope size: 1in., Designed to pass over sheaves, pulleys and rollers, Pin roller design added for larger diameter rope and for added strength by evenly spreading load pressure 10,000 lb. capacity Maximum rope size: 1 In. Designed to pass over heaves, pulleys and rollers.