Features 1、Heavy load, large bearing capacity, suitable for large machine movement. 2、Including 4pcs of the package, more convenient to use and install. 3、Nylon material manufacturing ensuring maximum durability, long service life. 4、Allows for moving equipment to the desired location, sturdy and high strength. 5、Excellent performance, great for moving work tables, weld tables, or heavy equipment. Specification Condition: 100% Brand New Item Type: Level Adjustment Caster Material: Nylon Color: Black Wheel Diameter: Approx. 40mm / 1.57in Wheel Width: Approx. 20mm / 0.79in Installation Height: Approx. 70mm / 2.76in Rotation Radius: Approx. 31mm / 1.22in Total Load: 100kg / 220.5lb(approx.) Single Wheel Load: 50kg / 110.2lb(approx.) Note: The general total weight is calculated based on the load of the two wheels Package List 4 x Level Adjustment Caster