Infinity Tools Jointer & Planer Knives Carbide-Tipped 13-1/8 in. x 1 in. Set of 3 the blend of durability and performance for your woodworking needs. These carbide-tipped blades feature a high-grade micro-grain carbide cutting edge combined with a tough, hardened steel body, providing exceptional cutting efficiency and resistance to chipping. Made in Italy, these knives are designed to fit Delta RC-33 and DC-33 13" planers as well as similar models. Each set includes three blades measuring 13-1/8 inches long by 1 inch wide, all 1/8 inch thick and blank with no holes or slots, ensuring a precise fit. If you want the durability of solid carbide without the high cost, these blades are the i solution for your jointer and planer. Model Number: SCK045