The Quantum Food Service PT-PR-S is a rigid polyurethane caster designed for durability and smooth mobility. Measuring 5 inches in diameter and 1-1/4 inches in width, this caster is ideal for various food service applications. Its robust construction ensures resistance to wear and tear, while the polyurethane material provides excellent floor protection and minimizes noise during movement. Perfect for carts, racks, and other equipment, the PT-PR-S enhances efficiency in any food service environment.