...  Express Weighted Training Ball Weighted Training Baseball Set - Set of 9 $61.04 Same feel as a regular baseball in graduated color coded weights. Gradually increase the weight of the ball your arm strengthens. Weighted from 4-12 oz. Set of 9 balls in a nylon carrying case. Default By Relevance Bestselling Price: low to high Price: high to low Newest arrivals On sale Baseball Express Weighted Training Ball Set Sale Price: ...