20 Goliath Extra Long 5/16" Square Canopy Pto Trailer Hitch Pins LCPTC516 Awning Go to amazon.com Related posts Where to find pto pin long? Description20 Brand New Extra Long Square PTO Canopy Hitch PinsActual Pin Diameter: 5/16"Overall Length: 3-15/16"Usable Length: 3-1/2" Uses: Trailer Hitch Locks, Camper Awning, Trailer Tailgate Locks And Many More 3.99