Clean and Consistent Cuts Precision-ground and fully deburred edges produce clean, smooth cuts with reduced tear-out. Sharp and stable for everyday woodworking, and easy to resharpen when needed. Accurate Fit and Quick Installation Machined to exact 158 × 22 × 1.8 mm dimensions for a steady, predictable fit. Locating holes allow fast, repeatable alignment with less adjustment. Sold as a matched 2-pack to support balanced cutterhead performance and reduce vibration. Built to Stay True Each knife is stress-relieved to help control internal tension and maintain straightness during operation. Protected and Compatible Packed in a protective plastic box to safeguard the edges and store used knives. Fits Porter-Cable PC160JT, PC37072; Delta 37-070, JT160, 37-072, 37-372; Craftsman, Grizzly, Shop Fox, and other jointers requiring 158 mm knives. STARIBS — Made by the People Who Make the Blades 30+ years making planer blades & jointer knives. Now factory-direct to you Sharp, accurate, and balanced — stress-relieved to stay true in use. If something isn't right, we make it right — no hassle.