【Durable Construction】 - The heavy duty wheel casters, constructed with durable solid steel and premium urethane wheels, which can move smoothly and easily support up to 800 lbs per set. The wear-resistant wheels can work smoothly and steadily for heavy duty workbenches tables and equipments. | 【Retractable Leveling Wheels】- Step on the pedal then lift the workbench to the fixed height. Pay attention not to step on the edge of outer side, just put your foot at the middle point of pedal. The casters cannot work on rocky road, but it works well on smooth road. | 【360-Degree Maneuverability】- Equiped with 360-degree swivel bracket, the wheel can turn to any directions. Move the workbench, table, cabinet and equipment to the destination more easily and flexibly. | 【Anti-slip Pedal】- The pedal is framed with powder coating and satin black finish, marked with anti-slip stripes on its surface which means anti-rust and more durable for use. Equipped with the wear-resistant urethane wheels can work easily. | 【Complete Equipment】- The workbench casters include Four 2-1/2" swivel urethane casters, 24 mounting screws, 4 mountingbolts 1 wrench and a full instruction. The quick and easy installation lays the foundation for your moving object.