Uni-ball Signo Broad Um-153 Gel Ink Pen - 1.0 Mm - 12 Pcs - Black - Uni Mitsubishi Pencil 100% Made in Japan by Mitsubishi pencil CO.LTD 1.0mm broad(black ink) stainless steel tip Super smooth,subber grip Water based pigment gel ink. Attached with Dbmier A750 Mini Notebook.