5# metal Y teeth open-end metal zipper 1)highly quality,low price 2)can pass strength tests ... ,copper,antique,black nickel,antique nickel,plated gold,plated nickel.Sliders shapeauto-lock,semi-lock,Europe,train,non-lock slider,pin ... slider, etc .Zippers shapeclose-end,open-end,two-way,loop open-end,X-type,O-type,long chain.Zipper size3#,4.5#,4#,5 ...