TCT (Tungsten Carbide Tipped) also known as hard alloy (HM) double-sided planer blades. Dimensions 82x5.5x1.2 mm. Fits directly to DKP180Z. KP0800J and KP0801CJ models. 1902. 1901 and 1923B electric planers require a separate adapter to attach the blades. 2 blades in a package.