... Mesh ISO9001:2000 Certification Aperture:1/4",3/8",1/2",5/8",3/4",1",2"etc... Material: 304 Stainless steel Welded ... adoption plates the zinc craft after welding,it is made from high-quality iron wire by automatic equipment .The products ... unit(mm)2" x 3"50mm x 75mm2.0mm,2.5mm,1.65mm3" x 3"75mm x 756mm2.67mm,2.41mm,2.11mm,1. ... DiameterIn inchIn metric unit(mm)1/2" x 1/2"12.7mm x 12.7mm16,17,18,19,20 ...