1, DT-BP004, 2,silicon grip copper barrel push action ball pen 3, Color plasticinnerbarrel with metal paint/silver sprayed 4, Stain copper outer barrel 5, Metal clip 6, shinning/stain electroplated mid-ring/top/tip 7, Silicon rubber 8, Parker refill available in red/blue/black 9, Color available in white/black/blue/green/purple/orange/yellow/red/pink/rose and so on 10, Printing, transfer printing/silk-screen printing and heat printing 11, OEM are welcome 12, Professional pen designer, maker and seller