woven wire mesh stainless steel 400 mesh 12"x24" 30cm x60cm size 0.038mm hole 30μm wire filtration ss t316 open area 31% yikai this listing is for a 30cm x 60cm(12"x24") cut of 400 mesh. <br> multiple quantity purchases will result in multiple 30cm x 60cm sheets. <br> for larger / custom cuts, see below. <br> specifications and dimensions all wire mesh is made from 304l (low carbon 304) stainless steel, except the 400 mesh, which is made from 316 stainless steel. <br> mesh count is the number of wires per inch, all our stock is square mesh with the same mesh count in both directions.<br> nominal aperture is the average hole size.