Carlisle Reliance Flat Proof Rib Tires are designed for commercial mowers, hand trucks, pressure washers, generators, paint sprayers, carts, waste disposal and other material handling applications both indoors and out. It boasts a flat-proof design to prevent downtime and increases productivity. Constructed from a specially formulated compound to withstand cuts, chips, tears, and abrasions. Reliance Flat Proof Rib features a solid design with a hollow core for excellent traction and control on grass. Its rounded shape evenly distributes equipment weight to protect delicate turf from damage.