This hand seamer is high carbon steel with anti-slip handle. The handle is comfortable and elastic to grip, to use. 3 different option hand seamers, 45°/90°/straight head, each 2.4 inch (60mm) wide. The tool is flexible and precise to use, meeting different needs. This compact sheet metal bender is suitable for bending and straightening sheet metal edges. It can improve efficiency and versatility, suitable for confined areas and moving projects. The tool has straight edges, but not . It can make sure the metal sheet remain intact when it bends through the jaw of our hand seamer. It can protect integrity. Our sheet metal bender is a bit stiff to start with, but it will start to loosen for a smooth after using a while. It can operate stable and simple to use.