Introducing the 12. 5-Inch HSS Planer Knives (2knives) by POWERTEC. These heat treated double sided replacement 12. 5 inch planer knives are made to exceed the OEM product. The innovative manufacturing process begins with the usage of high speed steel (HSS). The blade's high grade construction provides it with a hardness that is temperature resistant, while offering high wear resistance and anti-corrosive properties. Strict professional machining and quality control ensure superior sharpness, long lasting durability and precision cutting. Double Sided to Last Twice As LongOur planer knives feature a dual-sided double edge blade designed to provide you with sustained planing on each side, before turning them over to the other side. Ultimately, this will help save you both time and money while delivering professional looking results for your woodworking projects. SpecsMaterial: Premium High Speed Steel (HSS) from EuropeSize: 12-1/2" x 1/2" x 1/16" Cutting Edges: 2 Blades Per Set: 2 Package: POWERTEC Reusable / Storage Case Packaging Product CompatibilityThese replacement blades can be used exclusively for the POWERTEC PL1250, PL1251 and PL1252 Thickness Planer. POWERTEC is a US basedmanufacturer of high quality woodworking machines, wood work accessories, and a wide assortment of replacement parts. We are committed to exceeding expectations, while bringing the best innovations, technologies, and product development to the industry.