Features 1、PVC caster wheel rolls smoothly and quietly, no damage to the floors. 2、Galvanized metal top plate with good bearing capacity, beautiful, anti-corrosion and not easy to rust. 3、360 degree swivel allows the castor to move flexibly in different directions. 4、The wheel has strong anti-aging capability and long service life. 5、Suitable for office chairs, swivel chairs, trolleys, furniture, dining cars, etc. Specification Features: PVC caster wheel rolls smoothly and quietly, no damage to the floors. Galvanized metal top plate with good bearing capacity, beautiful, anti-corrosion and not easy to rust. 360 degree swivel allows the castor to move flexibly in different directions. The wheel has strong anti-aging capability and long service life. Suitable for office chairs, swivel chairs, trolleys, furniture, dining cars, etc. Specification: Material: PVC + Steel Color: Red Load Bearing: 30kg/pcs, 90kg/4pcs Wheel Diameter: 50mm(2") Wheel Width: 20mm/0.8in Rotation Radius: 46mm/1.8in Installation Height: 66.5mm/2.6in Weight: 541g (approx.) Package List: 4 x Swivel Casters Package List