4-Inch Instrument Universal Casters, 3-Inch Double Row Casters, 5-Inch Plastic Casters, Silent Universal Casters

4-Inch Instrument Universal Casters, 3-Inch Double Row Casters, 5-Inch Plastic Casters, Silent Universal Casters. Nylon PA bracket, high strength, strong load-bearing capacity, non rusting. PU wheels, wear-resistant, silent. Wide wheels, good stability, preferred for medical equipment.