... provide you the following material: stainless steel, carbon steel, zinc,Galvanized,Aluminum,Brass,Copper,Plywood,Fiberboard,Rubberboard,Woodboard,Pasteboard,Al-Mg ... margins. If the margins requested are not possible .We will replace it with the similar products as your consideration.TolerancesThere are ... precise product. If not, we will according to standard tolerance. galvanized perforated wire mesh