This vintage INCRA JIG is a precise positioning jig that is perfect for router table positioning. It is made of high-quality plastic and manufactured in the United States. The listing includes one item in the set and is suitable for various applications.

Unfortunately it's missing the knob that locks it together. (Last pic shows it on the box)

The brand of the jig is Incra, and the model is also Incra. The jig falls under the category of Power Tool & Air Tool Accessories, specifically Jigs & Templates. The item is in used condition and is ideal for DIY enthusiasts and professionals alike.