The Neowah 30-Pack Super Big Hook Trimming Blades are the heavy-duty cutting solution professionals rely on for roofing, flooring, and beyond. Each blade is crafted from high-quality carbon steel and individually oil-coated to prevent rust and ensure long-lasting performance during storage. The double-sided design features 2 notches and 4 holes, allowing for secure mounting and versatile use across a wide range of cutting tasks — from roofing materials and linoleum to carpet, fabric, cartons, and sheet metal. With 30 professional-grade blades included in a single pack, you'll have plenty on hand for demanding job sites or extended projects. The blades come packaged in a secure storage box, making safe handling and organization simple and straightforward. Whether you're a contractor tackling tough materials or a DIY enthusiast taking on a big project, these hook blades deliver the reliability and sharpness you need to get the job done right.