It allows products to be transported from one place to another. One of its features is height adjustment.(Please. I am waiting for your thoughts and comments about the project. Also please check my other models )Also, If you are interested and downloaded it, please like itFile types; ( İpt, iges, Xt, Step, Stl, sldprt, sldasm ) (Note: For other models, please watch and like the videos on my channel) Youtube Link : https://youtube.com/channel/UCT1gC81v68ZhNLbTczfNHcg