Agri-Fab Poly Tow Lawn Rollers are perfect for flattening your yard from the effects of moles, gophers, other yard pests and frost heave in northern climates. The 18-inch by 48-inch roller is constructed of durable, rustproof poly. Fill the drum with water through the easy to operate fill/drain plug to get the force of 550 pounds to flatten the high spots on your lawn. The easy to hook up hitch fits any lawn and garden tractor. | Agri-Fab 18" x 48" Tow Behind Poly Lawn Roller