... you the following material: stainless steel, carbon steel, zinc,Galvanized,Aluminum,Brass,Copper,Plywood,Fiberboard,Rubberboard,Woodboard,Pasteboard,Al-Mg ... specification.The hole shapeRound, square, long round, triangle, scale, diamond, oval, hexangular, slot etc.ApertureIn general it is advisable to ... precise product. If not, we will according to standard tolerance. galvanized perforated wire mesh