Replacement hay tedder pneumatic tire and wheel, 3.50 X 6.00 4 ply assembly ready to mount and use. Features a 3-Rib Agricultural 4 ply rated tire with tube, replaceable ball bearings with a 25mm bearing bore and 2.28" bearing width. Fits Tonutti Models GT230, GT250, GT310, GT380, GT440, GT500, GT510, PL015 and PR015 hay machines with a 3.50 X 6 Tire and Wheel.