12-1/2-Inch Planer Blades For Craftsman 351.21722 & 21780, Replace 217220 - Set of 2

12-1/2-Inch Planer Blades For Craftsman 351.21722 & 21780, Replace 217220- Set of 2 12-1/2-Inch replacement knives for Craftsman 351.21722 & 21780, Replace 217220 Made of High Speed Steel for longer cutting life Easy to install, Double-edged "reversable" high-speed steel construction Set of 2, Plastic case packaging Blade material: M2/SKH51/W6Mo5Cr4V2 Hardness: HRC 65-68° The blades are ground with both a primary bevel and a secondary bevel close to the edge. The blades are razor sharp and ready to go. INCLUDES: (2) Premium Replacement 12.5” Planer Blades 12-1/2" x 1/2" x 1/16" COMPATIBILITY: Use with the Craftsman 351.21722 & 21780, Replace 217220 FEATURES: Reversible steel blades with sharp precision dual cutting edges FUNCTION: New, high quality replacement blades that can serve as an extra set of planer knives for your 12.5” thickness planers and woodworking power tools QUALITY BUILD: Premium high speed steel (HSS) cutting tools designed for durability and op