... and quadrate nails. 2. auto-feeding. 3. standard. Use:This machine applies in clothing, shoes ,hats,suitcase, waistband, handicraft and so ... simplify and high efficiency.Characteristic:1. This machine suits to square nail whose length is 4mm to the 13mm.2. Feeding guide ... which can decreased wear ,thus prolong the life of the machine.4. The working speed, fixed dynamics and radiance can be ...