... series, hull paperclips series, triangle paperclips series, butterfly paperclips series, kits more paper clips series, pin series, two JiaoDing series, safety pins series, pushpin series, long tail clip series ... content of Fe in 99% around. Staples have two kinds, one kind is made of iron, still ... needle B8, B88.Book needle specification: 10 # book machine two needles wide for 8.4 mm, high for 5mm. ...