Klamp Trak" T-slot clamping and guide rail from Kreg
With the "T-slot clamping and guide rail", the entire length of a workbench can be converted into a clamping device. Can be inserted into any wooden or composite work surface, such as a workbench or sawhorse, or mounted between two boards for a seamless clamping surface. 857 mm (33-3/4 inch).