GP-757,red color 1) Pen head: Switzerland titanium steel (dual-refill) 2) Tips: 0.5mm tungsten carbonized rotary ball 3) Holder: plastic 4) Ink: red (and blue\black) 5) Ink is imported from Japan, green ink. Packing: 12pcs/box,12boxes/inner ctn,12inner ctns/ctn,1728pcs/ctn. We are a specialized pen-making manufacturer inZhejiang,China. and haveprofessional design group, modern product line andscientific management. so we can product any pens as your requirment. Pictures show: