Jig and Fixture Jig primary purpose is to provide repeatability, accuracy, and interchangeability in the manufacturing of products. Jig is often confused with the fixture. Jig Fixture holds the work in a fixed location. A device that does both functions (holding the work and guiding a tool) is called Jig Fixture. We make jig and Fixtures as per your sample, locked by hydraulic cylinder or manual. Every kind of small & big fixture made by us.