Brinly DD-55BH Sleeve Hitch Adjustable Tow Behind Disc Harrow, 39 by 40-Inch Adjustable working width from 29 inch to 40 inch accommodates gardens of various sizes (8) 11 inch heavy duty steel discs turn rough, plowed ground into plant-ready soil Requires a sleeve hitch which is not included; sleeve hitches can be purchased through the tractor manufacturer