These weights do work well and serve their purpose. However, the weights actually don't match, it looks like there are two different types of weights within the set. Also, the set up of the weight rack was difficult as no instructions were provided in spite of reaching out to customer service about this. As well, the nuts and bolts provided were not the right size/type to set up the weight set so we had to purchase our own. Again the product works well but I would expect a matching set when spen...