... :Stamping, Die-casting,planning,plating,painting,printing, Injection, Photo etching, imitation hard enamel/Hard enamelMaterial:Brass, Zinc alloy, Stainless steel, Iron, Pewter, Aluminum, Soft ... 1-7/8 2Logo:Soft enamel color, Silkscreen/offset printing, Laser, Engraved, EmbossedColor:Color reference: Pantone color chart.Epoxy:Epoxy coating(optional)Attachment:Butterfly ...