Solid Tire Assembly / Toro 68-8970Pack Size:1Carlisle 632391, Toro 68-8970Green Line 14184, J. Thomas TD-503, J. Thomas 632391, Landscaper Pro 217970CF, NHC 224-1667, Oregon 72-335, Rotary 8866, Sunbelt B1CO8684, Sunbelt B1CO8866, Sunbelt B1WL40Toro All mid-size units Commercial durability and capacity, Cushioned ride, Specially formulated compound, Backed by solid warranty, Bearing installed in hub, Bore: 3/4 ", Reliance tire, Flat-proof design eliminates costly down time, Hub: 3 1/4 ", Tread: Smooth, Wheel Size: 8x3.00-4