1. Various sizes to choose from: 1 mm x 10 mm, 1 mm x 20 mm, 1 mm x 30 mm, 1 mm x 40 mm, 1 mm x 50 mm, (thickness x width), length: 1000 mm/39.3 inches. 2. Material: Brass sheet, color: Gold. High quality. Smooth surface, low oxygen content. High purity, fine structure. Various sizes to choose from: 1 mm x 10 mm, 1 mm x 20 mm, 1 mm x 30 mm, 1 mm x 40 mm, 1 mm x 50 mm, (thickness x width), length: 1000 mm/39.3 inches. Excellent ductility, flexible, excellent density, thermal conductivity, good conductivity and corrosion resistance. Can be used for conductivity, heat and welding. Can be welded – hard. 3. Excellent ductility, flexibility, excellent density, thermal conductivity, good conductivity and corrosion resistance. Can be used for conductivity, heat and welding. 4. Copper is often used in product development, DIY experiments, maintenance, production, etc. Perfect for a wide variety of projects, from art, crafts or hobbies to industrial and scientific use.