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• ABOUT HARDNESS PVC materials has quite a lot of hardness specifications, including 75A, 80A, 85A and 90A The verify hardness of PVC under the experimental verify surroundings of 23℃is equivalent to the specification hardness The hardness of PVC adjustments of course with temperature, and the bigger the temperature, the smaller the hardness For rope skipping, 75A and 80A are compatible for decrease temperatures, and 80A, 85A and 90A are suitable for greater temperatures Because the mechanical homes of PVC supplies become vulnerable at excessive and occasional temperatures, and it's too soft and inflexible to leap ABOUT DIAMETER You can selected the suitable rope diameter in line with your soar rope handle, assuredly 5mm is the most common diameter, for the ra handle it could enable at most 6mm rope ABOUT SHIPPING FEE Don&;t wonder why the freight is persistently dearer than the cost of the goods, because it is an international specific transport fee, which is very costly The freight involves two parts, one is the registration fee, and the opposite is the transportation charge The registration commission is fixed, and the delivery fee is calculated according to the gram weight of the kit Even a totally mild equipment has a certain cost I hope you may understand

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