... nickel above of zinc alloy as antirust, wire insideHave Fe C S P Mn Si, and a small number of Cu ... /15, 23/17, 23/19, 23/23, American book needle B8, B88.Book needle specification: 10 # book machine two needles wide ... :attaching frabric flangers to foam box spring side border, C ring nails, c staples, C nails.industrial staples nails C RING STAPLE(SC-660)