Easy-to-install ROLLER-HITCH is available in 4″, 6″, 8″ and 10″ drops. Eliminates embarrassing scraping and dragging on pavement. Made for heavy duty applications. Solid steel roller won’t fail like plastic or rubber rollers. Fits all 2 inch I.D. square tube hitch receivers. Ball not included. 5,000 lb. GVWR., 500 lb. tongue wt.