General description These 5 Pack Office Chair Caster Wheels are designed for heavy-duty use, supporting a maximum load of 250 kg per wheel. Made from durable TPR rubber, they provide silent operation and are safe for various floor types, ensuring no damage occurs while rolling. Technical specifications Universal standard stem size: 11mm x 22mm Maximum load-bearing capacity: 700 kg (for 5 wheels) Compatibility and accessories Suitable for 96% of standard size office chairs on the market Compatible with wooden floors, short wool blankets, tiled floors, etc. Installation No tools required for installation Remove the old wheel, align the new wheel's connecting rod with the chair socket, and press to complete installation Usage Quiet and smooth operation Safe for use on various floor types Ideal for home and office environments