... endNo.5,No.8,No.10 brass zipper long chain,No.5,No.8,No.10 anti brass zipper long chainNo.5,No ... .8,No.10 anti nickel zipper long chain No.5,No.8 ... ,No.10 slider for brass zipperNo.5,No.8,No.10 ... from 87% copper and 13% zinc. Using 100% brass would render the zipper chain too soft and not usable for many heavy ...