5/8 Barrel Lock Silent Hitch Pin for Hollow 2 Class III/IV Receiver Hitches Features: Barrel lock silent hitch pin for hollow 2 Class III/IV hitch receivers only with a 5/8 hitch pin hole. Includes a 1 Year Manufacturer's Warranty. Height: 0.630 Width: 0.630 Length: 4.000 Weight: 2 lbs