Chore Time Feed Bins, 3) Bins Of 4 Ring (36") + 6' Hoppers, 1 Of 2 Ring (36") W/42" Hopper, 7' Diameters, All With Poly Slide Bottoms, 3 Are Approx 20' Tall, 1 Approx 12' H, Bolted To Concrete, Shur-Lok Bin Ground Control Of Top Lid Opener System, Buyer Responsible For Loading Bins