What is the purpose of a box joint jig for a table saw?

The purpose of the box joint jig is the ability to create box joints with a table saw. A box joint is a strong way to join a project and works well when making items like drawers.

The jig is used with a stacked dado set to make the box joints. Box joints are similar to dovetail joints, but the fingers of the joint are rectangular. Users can cut box joint fingers of different widths using the box joint jig. The box joint is simple to make, and using the box joint jig gives users the ability to make multiple joints that fit perfectly every time.