... 4)a crown:16.7mm, 5)wire dia:1.6mm staple Nail book needle size: 10 #, unified (24/6), 26 ... hull paperclips series, triangle paperclips series, butterfly paperclips series, kits more paper clips series, pin series, two JiaoDing series, safety pins ... 60mmApplication:attaching frabric flangers to foam box spring side border, C ring nails, c staples, C nails.industrial staples nails C RING STAPLE(SC-660)