Self Centering Dowel Jig easily and accurately find the center of a board’s edge every time; no measuring and no tedious trial and error adjustments required. This makes it the perfect tool for both mortise and tenon layout and drilling dead-on aligned dowel joint holes.
– Always Find Dead Center With The Self Centering Dowel Jig. This layout tool takes all the guesswork out of precisely marking-out mortise and tenon joints that are centered exactly on your stock. Based on the never-fail reliability of a parallelogram, the Self Centering Dowel Jig features two, precision-machined parallel arms that quickly adjust to the stock thickness, placing the center bar dead center on the material. Just use a pencil, marking knife or scribe tool to mark out the center bar location on your stock– and you’re done!