... ’’*3/8’’10.6mm*10.6mm19,20,21,221/2’’*1/2’’12.7mm*12.7mm16,17,18,19,20,21,22,235/8 ... ,18,19,20,211’’*1/2’’25.4mm*12.7mm16,17,18,19,20,211-1/2’’*1-1/2’’38mm*38mm14,15,16 ... ,17,18,191’’*2’’25.4mm*50 ... MeshOpeningWire DiameterIn inchIn metric unit(mm) 1/2’’*1/2’’12.7mm*12.7mm16,17,18,19,20,213/4’’*3/4 ...