The Outdoor Edge 350 Replacement Blade Pack features blades made from Japanese 420J2 steel ensuring exceptional sharpness and longevity. These blades are designed to tackle the toughest tasks with ease, making them ideal for various outdoor activities. The Outdoor Edge RazorSafe System enables quick and hassle-free blade replacements. Simply remove the old blade and insert the new one securely and you're ready to resume your cutting tasks. Each blade comes sealed in a plastic pouch with PVC blade cover to protect the blade from the elements and to improve safety when transporting and changing blades.