Made of High-quality materials, the small wheels are wear- and strong, not easy to break or wear, light weight and rust-proof, which can provide you with a long service. The maximum load-bearing capacity of one wheel is about 15 kg/33 lbs, and the maximum load-bearing capacity of four wheels is about 99 lbs (the force is always uneven), please understand. A good combination: You get 48 heavy-duty casters, which is really a good combination to use and replace every day, and also enough to share with people in need. The wheel casters are suitable for small equipment, small machinery, shelves, , furniture, etc., and are also suitable for concrete, tiles, carpets and wooden floor surfaces. Due to the use of high-quality materials, our furniture wheel accessories are very and easy to store without taking up much space., Manufacturer: Littimoon