Joining has always been a slow, difficult process. Never again, thanks to Festool's new Domino joining system. The system consists of the domino joiner and pre-fabricated, solid Beech, Domino tenons. The Domino joiner, with its revolutionary cutting method, simple indexing features and adjustable mortise sizing, makes flawless mortise every single time. the domino tenon is equally as impressive - it's 100% rotation proof and far stronger than either biscuit or dowels. It also has a large gluing surface area for extra strength. Dominoes come in five sizes, one perfect for extra strength. Dominoes come in five sizes, one perfect for almost any application. The system works on everything from face frames and workpieces as small as 1" x 5/8", to large projects and heavy furniture.