... single grommet, save cost and manpower single ring steel manual eyelet hole punching machine Dimension: 150*150*100 mmMould ... ring, then put the flex banner in machine, press handle to finish it. It is too slow, and ... easy to move the negative ring out, press machine handle can’t make grommets well, then get waster.Now ... ; light weight, rivalrous price. cheap price steel manual eyelet punching machine