[Material] Sturdy blade made of hardened steel for increased durability. Highly wear-resistant, precise, and robust. The blade coating improves chip evacuation and reduces friction. Resistant to warping and rust, it offers excellent resistance to oxidation and tearing. Ideal for professional woodworkers. [Applications] Suitable for use on MDF, solid wood, particleboard, plywood, door and window frames, cabinets, and boxes. Ideal for edging, deburring, graining, and grooving in all woodworking projects, suitable for professionals and hobbyists alike. [Versatile Use] - The hard metal cutting edge of the router bit ensures a long service life. Suitable for wood, MDF, particleboard, plywood, and compact panels. Avoid cutting ferrous metals and other hard materials, steel, and iron. [Easy Storage] - The blade comes with a lightweight plastic storage case to store it when not in use and avoid cuts. Wear protective goggles during use to protect yourself from wood chips. Due to manual measurement, there may be a deviation of 0-5 mm, which is normal. [Package Contents] 7 straight groove cutters. Mainly used for wood cutting, deburring, planing, and grooving.