JS Products Inc. is an authorized licensee of Estwing Manufacturing Company and has permission to manufacture various hand tools under the Estwing brand.

By granting this permission, Estwing ensures that the tools made under their name maintain the quality and reliability that consumers expect from the Estwing brand. So, when you buy an Estwing licensed tool, you're getting a product that meets Estwing's high standards of quality and durability.