General description The Pack of 5 Office Chair Casters is designed for universal compatibility with most office, gaming, and desk chairs. Each caster measures 11 mm x 22 mm and is constructed from high-quality rubber, ensuring durability and smooth operation. These casters can support a load of up to 300 kg, making them ideal for heavier individuals. They glide silently on various floor types, including tile, parquet, laminate, wood, marble, granite, stone, concrete, and vinyl, without scratching or damaging surfaces. Technical specifications Size: 11 mm x 22 mm Load capacity: up to 300 kg Material: Shock-absorbing polyurethane Ball bearings: Precision transparent Installation Tool-free installation: Simply remove the old wheels and slide the new casters into place. Installation time: Approximately 5 minutes. Tip: Measure your chair casters in advance to ensure compatibility. Usage Ideal for use on hard floors, carpets, and various surfaces. Provides a smooth and quiet glide,