24" HSS Planer knives best replacement for Delta 22-609 Blades. 3pk. 24-1/8" Planer blades HSS knives for Delta 22-470 Planer 24-1/8" x 1-3/16" x 1/8" Planer blades pack of 3 blades Xcalibur knives are made from Higher Grade of HSS for longer edge life compared to Regular Blades Specially designed with close tolerance for fast and smooth planing We also make Planer knives for Grizzly , Delta , Rockwell , Dewalt , Portercable , Black & Decker and other Planing Machines.