... ,Aluminum 2.Diameter:16mm+16mm. 3.Finish:AB/AC/BN/SN. 4.MOQ:300pairs,Payment:T/T. We are professional manufacturer of ... :Zinc alloy,Aluminum,iron.3.Diameters:16-16mm.4.Finishes: AB/AC/BN/SN/SS.Surface Treatment Colors:1.Plating:Anti brass ... : Black,white,Gold,Silver.3.Electrophoresis :black, Walnut,mahogany,champagne.4.Black brushed gold, black brushed silver.Packing:PVC packing, blister ...