Double-edged reversible K20 tungsten carbide planer blades. Produces a smooth, clean finish. Up to 20 times longer lasting than conventional HSS blades. Ideal for chamfering and rebating. Compatible with most portable planers: 273237 for 80mm planers; 125629 for 82mm planers. Double-edged reversible K20 tungsten carbide planer blades. Produces a smooth, clean finish. Up to 20 times longer lasting than conventional HSS blades. Ideal for chamfering and rebating. Compatible with most portable planers: 273237 for 80mm planers; 125629 for 82mm planers.