The Beverage Air 00C31-045A is a set of four durable casters designed for SPE, WTR, WTF, UCR, and UCF units. Each caster features a 1.25-inch diameter, ensuring smooth mobility and stability for your refrigerated counter. The set includes all necessary mounting hardware for easy installation, making it a practical choice for enhancing the functionality of your refrigeration equipment. Ideal for commercial settings, these casters facilitate effortless movement and repositioning of your units.