Specification： Material：Polyurethane (PU) Number Of Wheels：4 Wheel Diameter: 6"/150mm Wheel Width: 2"(45mm) Top Plate Size: 4×4.5"(100×115mm) Overall Height(From Top Plate To Ground): 7.4"(188mm) Single Caster Load Capacity: About 275 Kg ( 625 Lbs ) Feature： .
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