Access Hitch Accessories 90921 Heavy duty 2 in. and 2-5/16 in. combo ball with 4 in. drop or 2 in. rise and up to 14000 lbs. capacity. Extended shaft made to work with hitch mounted mud flaps. Choose between a 2 in. or 2-1/2 in. ball mount. ROCKSTAR" Ball Mount ROCKSTAR" Ball Mount; 2 in. - 2-5/16 in.; Extended Shaft; Combo Ball Mount For 2-1/2 in. Receiver; Access Rockstar ALL Accessories Extended Shaft - 2in & 2-5/16in Drop Ball Hitch for 2-1/2in Receiver