498688 Domino 12mm Beech Tenon Stock, 22 Pack:

12mm Tenon Stock in 750 mm (29-1/2") Sections Made to be Cut-to-Length. Made from Solid Hardwood Stock, Domino Beech Tenons form the Basis for Strong Joints that will Last a Lifetime and Beyond. Tenons Should be Cut 2-3mm Shorter than the Mortise Depth to Create a Glue Pocket.