Installation: Please check safety before installation. The working load limit is rated for 176.4 lbs (80 kg), but the weight capacity will vary depending on the size of the beam and load capacity. Please make sure the beam size and load capacity is appropriate before installation. [Please read if you are ordering with the assumption of installation] We are not responsible for construction delays, humanity, timely and other direct or indirect damages or compensation for secondary costs or problems caused by the customer side. Please confirm that the product you receive is not affected by the product. Use 2 or more at a time may lead to an accident, so please use one person at a time. ·Please be aware that if the base is not sufficient when securing the product frame, the user may fall or fall the product, etc.