5 Pieces 48mm Office Chair Casters for Computer Chair, Swivel Casters for Office Chair, Replacement Wheels, Standard Stem Size 11mm × 20mm, Scratch-Free

General DescriptionUlisem office chair casters are designed to offer a practical and efficient replacement solution. Each set includes five 48mm swivel casters, ideal for office chairs and children's chairs. These casters are designed to avoid scratching your floors while providing excellent maneuverability.Technical SpecificationsStem Size: 11mm diameter x 20mm lengthCaster Size: 48mmRotation: 360°InstallationThe replacement casters can be easily installed without tools. Simply remove the old wheels and push the new ones into the socket.UseThese wheels allow for smooth and quiet movement, with no noise when rolling, making them ideal for a quiet working environment.