Goplus 18" Hitch Extension Receiver 2" Extender 5/8" Pin Hole 4000 LBS Capacity New (18") Weight CapacityMaximum load capacity 4000 LBS. Wildly Used2" Hitch receiver for Towing. Heavy Duty SteelHeavy duty steel construction with black paint finish. Product UsageIdeal for towing small campers, moderately sized trailers. Size DetailsItem length: 24". Distance from pin hole to pin hole: 18". Diameter of pin hole: 5/8".