Features:PU material, namely polyurethane material, is wear-resistant, smooth and does not damage the groundHigh quality electrophoresis material, with strong film hardness, strong impact resistance, high film adhesion, not easy to fall off agingDouble bearing structure, excellent bearing capacity, single bearing capacity of 50-60kgImported bearing steel ball, with high and uniform hardness, good wear resistance is not easy to fallSilent design, bid farewell to the roar and enjoy a quiet lifeVersatility: the swivel casters provides stable and mobile base for your office chair, table etc. help you maneuver them around your house or office effortlessly.Specification:Material: polyurethane (PU)Steering: universal casterSpecification: 2.5 inchesPurpose: furniture caster or household casterDiameter :65 (mm)Maximum load :50-60 (kg)Bearing Double bearingScope of application: furniture casters or household casters or electrical castersColor: transparent edge, black wheelPackage size: 20 x 12.5 x 9.5cm or 7.9 x 4.9 x 3.7inPackage list:5 x Wheels Caster