Oval-shaped mortises, larger glue surface area, and more stability; the DOMINO system combines the precision of a round dowel with the flexibility of a biscuit - creating perfect floating mortise-and-tenon joints. The system consists of the DF 500 Domino Joiner, DOMINO Tenons in various sizes and a wide range of accessories for special applications. The result is precise, easy, and robust invisible joints.