The Faithfull solid tungsten carbide planer blades are designed for use with portable electric planers with an 82mm cutting block and suitable clamping system. Blades are manufactured from high quality tungsten carbide and provide excellent performance in both timber and man-made boards. Blades are supplied in pairs and are reversible to provide an extended working life. Length 82mm Width 5.5mm Thickness 1.2mm Note some planers may require the use of a conversion kit to use this type of blade, please refer to your manufacturer's instructions for details.