* Safely converts an RV trailer for towing with a gooseneck ball * Fits standard king pin box * Self-latching GNB 2 5/16" coupler "V-19" 28,000lbs * 9", 5" or no offset for added maneuverability * 4" height adjustments in 1" increments (12 1/2"-16 1/2" to top of ball) * Includes coupler release cable and hardware * 24,000lbs Gross Trailer Weight, 6,000 Gross Tongue Weight RV1: Bolts to king pin box. Provides 5" offset for added maneuverability. Coupler latches and unlatches remotely.