Repeatable dovetail jig

A jig having a flattened Z-shaped cross section for cutting pins and tails in the edges of boards so that the boards can be connected by a dovetail joint, said jig comprising a rectangular base having spaced parallel elongated edges, a first leg attached along one elongated edge of said base and extending at a right angle to one surface of said base, a second leg attached along the opposite elongated edge of said base and extending at a right angle to the other surface of said base, said first leg having a plurality of angled saw guide kerfs therein and a plurality of saw guide kerfs in said base connected with said saw guide kerfs in said first leg, said second leg having a plurality of angled saw guide kerfs therein and a plurality of saw guide kerfs in said base connected with said saw guide kerfs in said second leg, whereby said saw guide kerfs in said first leg and the connected kerfs in said base cut the tails of a dovetail joint and said saw guide kerfs in said second leg and the connected saw guide kerfs in said base cut the pins of a dovetail joint.