Feature●13-Inch Planer Blades Knives Replacement for Delta 22-580 22-555 Planer●Replacement for Delta 22-549●W6 laminated high-speed steel construction blades stay sharper and last longer than conventional knife materials●Machined locator holes help users align knives on cutter-head during knife change fast and easy●Set of 2, Plastic case packagingDescription