Ulisem 5-Piece 48mm Office Chair Casters for Computer Chairs, Swivel Casters for Office Chairs, Replacement Wheels, Standard Stem Size 11mm x 20mm, Scratch-Free

General Description: Ulisem 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 prevent scratching your floors while providing excellent maneuverability. Technical Specifications: Stem Size: 11mm diameter x 20mm length; Caster Size: 48mm; Rotation: 360°. Installation: The replacement casters can be easily installed without tools. Simply remove the existing casters and push the new ones into the socket. Use: These casters provide smooth and quiet movement, with no noise when rolling, making them ideal for a quiet working environment.