... ) Fine quality 4)acrown:16.7mm, wire dia:1.6mm staple Nail book needle size: 10 #, unified (24/6), 26/6 ... , 23/17, 23/19, 23/23, American book needle B8, B88.Book needle specification: 10 # book machine two needles wide for ... nails, c staples, C nails.industrial staples nails C RING STAPLE(SC-660)