... bending stamping products, material:iron,steel and so on. Cotter Pins Size:1.4*121.8*262.2*302.8*303 ... .Finish treatment: Surface treatment: Chrome-plating, Nickel-plating, Silver-plating, Gold-plating, Sand blasting, Lacquering, Silkscreening, anodizing, Polishing, coating etc Metal ...