Guarding mesh hole size(cm):6x6,8x10,10x10,11x13,13x13,15x15,16x18,20x23 wire dia:3.0mm -8.0mm.. Type: Welded Mesh Guarding meshMaterial: low ... , with long life, anti-rust and comfortable to eyes.Use: guarding for window or door, and fence for highway, railway, airport, apartment ...