Detailed Product Description Material :zincSpecification:2#,3#,4#,5#,7#,8#,10# nylon slider 3#,5#,8#,10#resin slider 3#,4#,5#,8# metal sliderParticular: auto lock standard puller,non lock long puller,non lock double puller,pin lock slider,reversible slider and so on.Technics:painted,plated(white nickel,gold,black nickel,laser)