Eastern an ISO 9002 qualified company has been manufacturing zippers since 1989. Eastern offers Metal zipper Available in Brass, Antique Brass, Silver Antique [Pewter], Aluminium in teeth size No.3, 4, 5 & 10 in C/E, O/E & Double Slider with Autolock, Nonlock, Pinlock, Springlock & Notch lock slider option.