15 dollars each 30 dollars takes all 3 Hidden hitch---Shaft is 2 in. Ball is 2 1/4 in 6000 lb 600 lb tongue weight No key for lock Other one--no name Shaft 2 in. Ball 2 in. 6000 lb 600 lb tongue weight Square one--Power fist Attaches to bumper 6 in. H x 4 in. D For RVs and towable campers