Constructed from high-quality carbon tool steel, OLFA's 18 mm Snap-Off Hook Replacement Blades offer durability and long-lasting sharpness. Each blade is divided into four segments, allowing for easy and quick blade changes by simply snapping off the worn section. Whether you're working on flooring, roofing, or general construction projects, the OLFA 18mm Snap-Off Hook Blades ensure clean, accurate cuts while protecting your materials. These blades are a must-have for professionals and DIYers alike who need reliable, high-performance cutting tools for demanding applications.