POWERTEC 128314 3-1/4 Carbide Planer Blades for Makita D16966 N1900B and 1902X7, Set of 2 Fits Makita 3-1/4-Inch planer N1900B, 1902X7 Made with tungsten carbide Reversible knives have 2 cutting edges A set of two Calmshell packaging