PRODUCT FEATURESMade of 304 stainless steel, ABS, aluminum materials.Maximum load is 200 kilograms.Tension is 30 kilograms.304 stainless steel thickness is 1.5 millimeters.Bellows material is ABS.Resistance can be adjusted 10 levelsThe product size is 2240x610x508 millimeters.The chain is #45 steel ..