Weight:2.5kgs(5.5ibs)Aluminm  2.35kgs(5.17ibs)magnesi                                           Magazine cap.:250-400nails                                                                                                        Operating pressure: 5-7kgs/cm2 or 70-100p.s                                                                            *Shank dia: 2.3-2.5mm(0.092"-0.099" )                                                                                        *Head dia:5-6mm(0.197"-0.236")                                                                                   *Length:32mm-65mm(1-1/4"~2-1/2")colated mails                                                                           45mm-65mm(1-3/4"~2-1/2")w