Stand uprights are some of the most typical series in the markets. They are still widely used though some new products appear in the market. Standard uprights cannot be adjusted at height, but they can give users something others. For example, standard uprights usually have two connecting joint for hooks. This allows users to adjust the height with a standard yard. Another advantage on standard uprights is they are more firm and can be used for much longer time. What’s more, they can also be custom made according to clients’ needs.