How to Assemble Welbuilt 150 kg Capacity Stair Climbing Hand Truck

[Supports 150 kg] - but recommended to carry max 75 kg up or down stairs. The triple support design of our 3wheel stair climbing folding cart disperses weight making it feel like less of dead load - reducing strain on your back. - Assembles in Seconds.
Amazon Buy link : www.amazon.in/dp/B0C4H42MS9?r...

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What's the price and from where be order?