The product is a 4″ x 1″ x 1/2″ steel plate made from 1/2″ thick GR50 steel. This high-quality metal plate is ideal for various industrial and manufacturing applications, such as CNC machining or metalworking projects. The dimensions of the plate are carefully specified to provide precise and reliable results when used in metalworking processes. With a total quantity of 20 plates available, this product offers versatility and reliability for a range of metalworking projects.