- Replacement wheels for office chairs, universal size 11 mm x 22 mm, compatible with 99% of chairs on the market (except specific models) - Made of high-quality polyurethane and industrial ball bearings, they offer great durability and wear resistance - Support up to 300 kg per set, ideal for offices, homes, and intensive workspaces - Ultra-silent 360° rotation, perfect for environments that require quietness - Suitable for all types of floors: wood, tiles, laminate, vinyl, and low-pile carpets - Do not leave marks or scratches on the floor, eliminating the need for protectors - Tool-free installation: simply remove the old wheel and insert the new one - Easy-to-clean design, prevents the accumulation of dust and hair - Stable structure, impact and high-temperature resistant, ideal for daily use