The Ryobi 318mm High‑Speed Steel Double‑Edge Planer Blades offer exceptional cutting performance for users working with thicknessers or large surface planers. Crafted from high‑speed steel (HSS), these blades maintain sharpness under demanding workloads and are designed to fit most 318mm planers. The double‑edge format lets you extend usage simply by reversing the blade once the first side dulls.