... precision construction, uniform mesh,fine rust resi stainless steel square wire meshUses: sieve grain powder, filter liquid and gas, safety guards ... weaving,Electro galvanized before/after weaving,In brass or copper wire MESHWIRE GAUGE (BWG)WIDTHLENGTHPACKING2 X 216,17,18,19,20 ... checking the quality2.postage paid by the receiver. stainless steel square wire mesh (factory)