A one-time charge covering the cost of The operation of machining the impression of a desired forging into die blocks. The metal blocks into which forging impressions are machined and from which forgings are produced. and preparing required auxiliary tooling for producing forgings to a particular design. In usual practice, this charge conveys to the customer the exclusive right to purchase forgings produced on this tooling. The The metal blocks into which forging impressions are machined and from which forgings are produced. themselves are the property of the forger, who also has the responsibility for maintaining and replacing the dies as required for satisfactory production of forgings.