Manufacturer: WILLBOND. Included Components: Roofing knifes. Easy Blade Storage: each carpet cutting knife is equipped with a blade storage box with a groove, which allows the blade to be easily placed in the knife for storage; It is easy to carry and keep the tool, which allows you to easily take and place the tool knife when working; Each roofing knife contains 3 straight blades and 3 horn blades, which are convenient for various applications.