coil nail coil, strip, loose paper strip nail, plastic strip nail, roof nail galvanized,oil coated,phosphate spiral,smooth coil nailAccording to American standards or other international standards ... , black.coil, strip, loosepaper strip nail, plastic strip nail, roof nailgalvanized or oil coated or phosphatespiral,smooth shankpackage: by box and palletCertificate: ISO9001 coil nail