Six Tungsten Carbide Teeth.Diameter 100 Mm X 22 Mm Bore X 4 Mm Kerf.Anti-Kickback Tool Design For Safer Use.Thin Body For Use With The Trend Freud Casals Erbauer And Dewalt Dw682 Biscuit Jointing Machines.Suitable For Natural Timbers Particle And Mdf Boards.PTDTREDIRCRBJB100T