weight:2.58kgs(5.67ibs)Aluminum                                                                                                    2.35kgs(5.17ibs)Magnesin                                                                                    Magazine.cap.:120nails                                                                                                                    Operating pressure:5-7kgs/cm2 or 70~100p.s.                                                                        *Shank dia:3.05mm(0.120")                                                                                                            *Head dia:10.5mm(0.120")                                                                                                       *Length:19mm-45mm(3/4''~1-3/4')