... model to made different size nails ,they are:1 Model Z94-1.6A(25A) 711: can made nails diameter 0.9-1 ... .6mm,nails length 9-25mm2 Model Z94-2.8A(50A) 712: can ... diameter 1.2-2.8mm,nails length 16-50mm3 Model Z94-3A(70A) 713: can made nails diameter 1.8-3 ... diameter 2.8-4.5mm,nails length 50-100mm5 Model Z94-6A(150A) 715: can made nails diameter 4.1-6mm,nails ...