This 2 in. heavy-duty caster wheel stands out among its peers with its superior quality and sturdy construction. Crafted with premium materials, each wheel can withstand up to 440 lbs. and a set of 5 wheels can bear a maximum weight of 2200 lbs., its unique size design (7/16 in. x 7/8 in. or 11x22 mm) is compatible with 99% of office chair brands on the market, but not suitable for IKEA chairs. These wheels not only offer strong load-bearing capacity but also excel in quietness and durability. With precision ball bearings and soft polyurethane wheel housings, the chair can steer 360° flexibly on any surface, gliding smoothly and silently without disturbing anyone in the office. Moreover, they provide floor protection, safeguarding delicate surfaces from scratches or dents, even without carpets or chair cushions. Whether it's office floors, wood, hardwood, parquet, laminate, vinyl, tile, or carpeted floors, these wheels are widely applicable. We are committed to providing you with excellent customer service. If you have any questions, please feel free to contact us.