... /Piece Specificatio Item no SA2666Size 27 mm Material Zinc alloyColor gold, antique gold, silver, antique silver, chrome, anti-brass, etc Usage Luggage ... casting, engraved, embossed, debossed, painted, silk screen printing, etc QC Salt fog test Acid resistance,Alkali resistance test Tensile testsCertificate GSG ... you have any question , contact me! Thank you ! new design gold zipper for garment&luggage