Model: GD-80S Material: carbon steel, nitrile rubber, aluminum, nylon Wheel diameter: 63mm / 2.5inch Tread width: 30mm / 1.2inch Tread hardness: 70 Shore D Center bolt: M12 Bolt length: 35mm / 1.38inch Leveling range: 15mm / 0.59inch Overall height: 103mm / 4.1inch Single wheel load capacity ：500kg / 1102lbs Total load capacity：2000kg / 4409lbs.
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