... . 2. auto-feeding. 3. standard. Use:This machine applies in clothing, shoes ,hats,suitcase, waistband, handicraft ... simplify and high efficiency.Characteristic:1. This machine suits to square nail whose length is 4mm ... decreased wear ,thus prolong the life of the machine.4. The working speed, fixed dynamics and ... change the die.6. Easy operation,it is equal to 6 worker works; moreover the contact surface ...