Carlisle Straight Rib tires keep you moving when there is heavy work to be done. Their ribbed and smooth tread pattern make optimum contact with various work surfaces for easy-flowing traction and rolling. The Carlisle Straight Rib Lawn & Garden Tire can be used on transport vehicles, riding mowers, garden tractors, farm and specialty equipment. Each rib on the tire makes optimum contact with various surfaces for easy flowing traction and a smooth roll. Made in the USA.