Festool 498692 12mm Domino Sipo Tenon Stock, 22-Pack Sipo hardwood, 12mm x 750mm, 22 pack of tenon stock made to be cut-to-length All-natural, solid Sipo hardwood for strength and use for outdoor applications, naturally rot and insect resistant Serves as a true floating tenon in mortise and tenon applications Flat, elongated design will not rotate, ensuring perfect alignment for both edge and face gluing Embossed with glue pockets, should be cut 2-3mm shorter than mortise depth for glue pocket