1 with high work efficient ,1800set/h 2 grommet type:10.5 & 13.5mm 3 power:1500w 4 easy to operate ... punching machine 1 with high work efficient ,1800set/h2 grommet type:10.5 & 13.5mm3 power:1500w4 easy to operate and high ... different countries and areas.semo-automatic punching mahcine,used 8,10,12mm eyelet,with safe sentor designThere are two groups of ...