Festool 201353 Domino Connector Set Sv-SYS Fast - quick and simple machining processes for Rapid assembly of flat and corner joints. Allowing for Rapid building, moving, and reassembling of large pieces. Stable - based on the domino mortise-and-tenon principle, joints benefit from the design of the oblong mortise, mating tenon and the knockdown metal fastener is Robust with high connection strength. Flexible - connect frames, panels, tops, and other large joints and pieces and easily disconnect and reconstruct as needed.