Specifications: Material: BrassThickness: 0.1mm/0.004“Panel Dimensions: 1000 x 100 mm/39.4“ x 3.9”(L x W ) Features: Brass sheet has high strength and hardness, strong chemical corrosion resistance.Cutting with a professional cutting machine. Applications: DIY projects, building decoration, industrial, electronic, equipment, and so onNotice:1.The surface of the brass sheet is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. If you need a beautiful appearance, such as crafts, it is recommended to use fine sandpaper grinding.2.It is not recommended to print and engrave words on the surface.