The Global Refrigeration 52-2777-02 casters are designed for heavy-duty use, featuring a robust bracket that ensures stability and durability. This set includes four casters, two of which are locking, providing secure mobility for your refrigeration units. Compatible with models 4DF, 6DF, and 8DF, these casters enhance maneuverability while maintaining safety and support for your equipment. Ideal for commercial settings, they facilitate easy movement and repositioning of heavy appliances.