40mesh Pure Copper Woven Wire Mesh Wire Cloth 0.19mm Wire 1.0m Wide 
Material pure copper wire 
Mesh 40mesh Wire diameter 0.19mm Roll width 1.0m Roll length 30.0m 
Stock 50 rolls 
Packed in rolls,outside wooden cases 
Usage for filters, RFI and electric field shielding, Faraday cages and grounding