Professional Woodworking Tools - Perfect Biscuit Joiner for hardwood floors, drawers, doors, etc. Industrial Grade Cutters - Premium C3 Tungsten Carbide Cutters with Heat Resistant Teflon Coating What You Get - This tongue and groove router bit set includes an 8mm shank, 3/4" working length, suitable for Bosch, Hilti, Milwaukee, Makita, Dewalt, and Porter Cables