This roller bearing is solid and sturdy, which can withstand long-lasting use. Features the carbon steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This roller bearing will make the repair and fix easier and smoother. Feature -Color:Silver -Material:Carbon steel -Size:3.00X3.00X1.50cm/1.18X1.18X0.59in - The use of solid ball bearings ensures smooth and stable rotation of the wheel. - The wheel body is made of carbon steel, which is durable and has a strong load-bearing capacity. - Precision machining technology ensures that the wheel is not easy to produce noise during use. - Suitable for a wide range of applications, such as industrial equipment and vehicles. - Easy to install, can be directly replaced with the original wheel, saving time and effort. Packing list16 x Casters