SWIVEL TOP PLATE & DOUBLE BEARING - Nefish locking swivel casters designed with double ball sealed bearing make the casters low frictional resistance and high speed limit, easier to move. Plus 360 degree rotation top plate, a little strength can easily transform any direction that you want. | HEAVY DUTY CASTERS SET OF 4 - Hard to move equipments or furniture? Nefish 2 inches plate caster Set include 2 swivel safety casters wheels with brake and 2 without brake, besides, for better usage, the package will also bonus 16 pieces screws and 1 screwdriver, satisfy various and different needs. Very suitable for home, school, gym and office. | SMOOTHER MOVE & LOWER NOISE - Nefish Castor wheels are made of premium thermoplastic rubber(TPR) material, antiskid, lower noise, anti-corrosion and more durable. With Nefish caster wheels, no worry move around in different scenirios(even carpet), no more scratch for the wooden floor. | BIG LOAD CAPACITY WIDE APPLIACTIONS - Nefish design the upgraded swivel casters in real life, the total set of 4 casters can support load capacity up to 600 LBS, so the wheels have a universal use. Such as BBQ desk, kitchen island, flight cases, instrument cases, various dollies, tool boxes, different equipment stands, light machinery, etc. | EASY TO INSTALL - Nefish Caster wheels set of 4 are very easily and conveniently to install. The heavy duty caster wheels can be used at least 2 years under normal use. Suitable for home furniture and equipments, office desk or shelves, school desk,etc. If you have any problem about the product, pls feel free to tell us, we will reply you within 24 hours.