Festool 498693 Domino Sipo Tenon Stock, 14 mm Sipo hardwood, 14mm x 750mm, 18 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