Pack of 4 pieces of 56mm x 5.5mm x 1.1mm, reversible, solid tungsten carbide, planer blades to fit the Adler planer. These blades are manufactured in FINE GRAIN tungsten carbide, and are ground to a mirror quality finish to produce the sharpest,keenest edges possible - far keener than standard blades that are available elsewhere. Blade specification Size: 56.00mm x 5.50mm x 1.10mm Packaging:2 sets / 4 pieces per pack Material: Fine grain tungsten carbide Finish: Mirror quality ground / polished surfaces Operation: Reversible and disposable