1. Suitable for a variety of materials: Suitable for cutting gypsum boards, foam boards, KT boards and cardboard. 2. Accurate: Accurate positioning, drawing straight lines and circles, fast and convenient. 3. Easy to use: This product does not require much effort, is fast and convenient, and saves time and effort. 4. Good quality: This type of knife is durable, of very good quality and has a long service life. 5. Safety: The cutting opening of this product is far away from the handle and surrounded by plastic, which makes it very safe to use. Features: This product does not require much effort, is fast and convenient, saves time and effort, is durable and suitable for cutting old gypsum boards. Specification: Product name: gypsum board cutting tool, drywall cutting tool, scale tool, woodworking marking tool, woodworking cutting board tool. Size: 230x70mm Color: Blue Material: Alloy Steel Quantity: 1 Package Included: 1 Piece Drywall Cutter 5 * Blade 1 * Pencil