Product details:

Item# 498693 Festool Domino XL Sipo Tenons 14x28x750, 18 pcs 14mm Sipo tenon stock for outdoor use in 750 mm (29-1/2") sections made to be cut-to-length. Made from solid, rot-resistant Sipo mahogany stock, Domino 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. Includes 18 pieces.