Medium-Duty 5In Plate Caster With Brake Polyurethane Wheel With Plastic Hub Castr Brake: Yes Castr Type: Swivel Color: Beige Hub, Gray Tread Load Capacity: 544 Kg Per Set Of 4, 1200 Lb Per Set Of 4 Load Heght: 6-1/4In, 159 Mm Material(S): Polyolefin Hub, Polyurethane Tread Mounting Plate Size: 2-3/8In X 3-5/8In Mounting Type: Plate Screw Centers: 1-3/4In, 3In, 44 Mm, 76 Mm Type: Medium-Duty Weight: 2.185 Lb Wheel Diameter: 5In, 127 Mm