Use one of these in my daily carry pen. Highly recommend them smooth clear writing everytime. No smearing or leaking.
Schmidt EasyFlow 9000 Refills | 10 Pack
Monteverde Cross Style Refills | 10 Pack
Schmidt P 900 Medium Parker Ballpoint Refills | 10 Pack
Schmidt P950 Megaline Pressurized Ballpoint Refills | 10 Pack
Monteverde Mini-Pen Refills | 5 Pack