1.0mm medium ballpoint pen, using low viscosity black ink, writes smoothly without jumping, and writes faster,Soft, latex free rubber grips add comfort, while plastic buckets allow visibility of the ink supplyThe convenient metal pocket clip is convenient and fast, ensuring that you will never lose your favorite pen againVivid and reliable black ink and solid pen structure is a great daily writing toolIdeal for notebooks, diaries, planners, legal notebooks, invitations, and almost any paper surface