13 Inch 6PCS HSS Planer Blades Knives for Delta 22-580 22-549 22-555 22-590 

-Size and Packed: 13"x15/32"x1/16",6pcs in a Plastic box.
-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.
-COMPATIBILITY: For use with Delta 22-580 22-549 22-555 22-590 22-591, Wen 6552, Craftsman 21743 and Grizzly G0689, Ryobi AP1300, Metabo DH330 Thickness Planer.
-Blade material: HSS(High Speed Steel);Hardness: HRC 63-65°.