1)Gauge 14 ST/WT nails series 2)ISO9001:2000 approved ... various modern decorating project ST Nails Series (ST/FST/HT /WT Type)Specifications:1) Nails head: 6.4 x 2.2mm2) Shank ... diameter: 2.20mm3) Length: 18 - 64mm (3/4 - 2 x 1/2")4) Models: ST18, ST25, ST32, ST38, ST45, ST50, ST57 ... , ST57 ST64Productivity:3000/tons/month ST Nails Series (ST/FST/HT /WT Type)