Intended for pulling gooseneck trailers, this one model is compatible with both category IIÂ & IIIÂ narrow or wide quick hitches. Fits right on the quick hitch or slip on quick hitch, includes a 2 5/16″ heavy duty forged ball that is welded on as well as a shaft welded above the hitch plate below top plink. Requires pin kit (sold separately) and light plug adapters also sold separately for added convenience. MRF Attachments design stands out from all other competitors and made with your hauling needs in mind.