... diameter 0.3MM-10MM, thickness 0.1mm--10mm can be boring, and can Zuodao thickness equal to or less aperture.Material ... scales hole, holes and other shaped hole stretch. And can be customized characteristic Variety and used widely beautiful. corrosion resisting ... protection, handicraft manufacturing, high-end speaker nets, food, air cooling. Can also be used in the construction industry, roads, bridges ...