deli s08 press gel pen 0.5 bullet pen gel pen office stationery press signature pressing pen ball pen 得力S08按动中性笔0.5子弹头笔中性笔办公文具按压签字按动笔水笔

black red blue 3 pieces per box/white penholder (black) [obsidian] 3-piece boxed set [quick-drying st tip] 3-pack box [extra smooth] 3-count box/transparent shaft ink blue (doctor's prescription pen) double pearl st head st stock (red) st head (black)

0.5mm