The Curt Hitch Pin w/ Clip is designed for a 5/8 inch hole opening to secure the ball mount to your hitch. The pin is made of zinc which is rust resistant and durable.
What we like about this Hitch PinThis Master Lock Hitch Pin adapts to either a 1/2 or 5/8 inch pin hole with a sleeve that fits right over the pin. Turn the pivot-lock to hold the pin in place.
What we like about this Hitch PinThis Master Lock Hitch Pin has a spring loaded pivot lock that takes the place of standard clip. This mechanism keeps the pin in place with no loose parts.