... 5,3 O-ring Specification :File folder BrandZLMaterialIronColourPlating,customer's colourSize280*20*15mmUsageStationeryMOQ500PcsPackingPlastic bag inside,carton box outsidePaymentL/C T/T,30 ... the first class product, competitive price and satisfactory service .1,High quality,reasonable price, sample is free2,Surface treatment: Chromium/Bronze/Gold ...