... 4)a crown:16.7mm, 5)wire dia:1.6mm staple Nail book needle size: 10 #, unified (24/6 ... above of zinc alloy as antirust, wire insideHave Fe C S P Mn Si, and a small number ... needle B8, B88.Book needle specification: 10 # book machine two needles wide for 8.4 mm, high for 5mm ... frabric flangers to foam box spring side border, C ring nails, c staples, C nails.industrial staples nails C RING STAPLE(SC-660)