... 4 light weight,convenient for transport Manual punching machine made of iron 1 grommet:10.5mm and 13.5mm2 high ... , banners, posters, Sailcloth, tarpaulin, flexible materials, etc.4. It is widely used in Advertisement, Sign, Packing, Construction Industries.5. fixing ... speed is 5 times faster than the Manual Grommet Machine, and the ...