... , safe and reliable.FeatureS:1, the machine used to rivet, four claws nail 4mm-9mm ( deduction ), 25mm-9mm ( button ) to ... not deformed, but more normative and beautiful.4, adjustable speed, fixed strength, photometric, simple operating system more suitable for beginners to ... to international market and won a high reputation! Computerize four-claws naip press machines;Automatic Eyelet machine series