5PCS Office Chair Caster Wheel

Features:
Twin bearing design enhances weight distribution and smooth operation, easy to glide and swivel.
Swivel and roll freely and more quietly in every direction with no need for maintenance.
Soft roll PU wheel surface guaranteed to leave no mark on carpets or any kind of natural and engineered wood floor, tile floor, specialty floor, and smooth concrete/asphalt floor.
Because the hardness of the film, so the impact resistance is strong, the film has a high adhesion, so not easy to aging off.
Bearing steel ball with high and uniform hardness, fine wear resistance, so not easy to drop.