Metal Material: Electric planer blade made of high-speed steel, high hardness, strong compression resistance, not easily deformed. Super Sharp: Planer blades undergo a variety of complex processes, resulting in high-quality blades with good sharpness, durability, and smooth operation. Universal Size: Electric planer blade set, universal size 82 x 5.5 x 1.1 mm, fits most electric planers. Wide Range of Uses: Blade suitable for many planing applications such as planing, thickening, and grooving hardwoods, softwoods, and composite woods. Package Includes: Our set contains 10 HSS blades, enough for long-term use.