High-quality material: Our products are made from cemented carbide tools and steel handles. High-quality fine-grain cemented carbide tools can cut most materials, and fine-grain cemented carbide extends the service life of our products. The performance is very durable. Ultra-precision: Our products are manufactured with high precision, allowing for accurate and smooth wood edge cutting. They are sharp and aesthetically pleasing. Double-edged cutting design: Offers excellent concentricity, fast cutting, and precise results on laminates and stencils. Wide applicability: Our products are compatible with most auto routers and portable or desktop routers. Wide range of cutting materials: Made from cemented carbide, these tools offer high hardness and are suitable for cutting various materials such as composite materials, plywood, hardwood, and softwood.Features:1. High-quality material: Made from hard alloy blades and steel handles.2. Capable of cutting a wide variety of materials.3. Fine grain cemented carbide enhances durability and longevity.4. Ultra-precision manufacturing ensures clean, smooth cuts on wooden edges.5. Double-edged cutting design provides excellent concentricity and efficient cutting of laminates and models.6. Suitable for most automatic, portable, and desktop routers.7. Can cut a wide range of materials including composites, plywood, hardwood, and softwood due to the hardness of cemented carbide.Product Information:1. Color: Red and silver2. Material: Alloy3. Sizes: 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inchPacking list: 4 cutter knives