Vintage split ring grooving tool No 14M 4". Original box, instructions.

Good used condition. Some rust on the body, the cutters and blades  are in good shape, as pictured .

4". 102mm tool to cut precision grooves for split ring and shear plate connectors, can be used with a portable drill or drill press. The split ring wood connectors purpose is to spread the load and increase the shear strength between two pieces of wood. Sold as is.

Please let me know if you have any questions.