Forums › Forums › Gear – The Stuff We Carry › Pens, Pencils, Notebooks, and Notebook Covers › Uniball Power Tank 0.5mm This topic is empty. Viewing 1 post (of 1 total) Author Posts September 18, 2025 at 5:14 am #19851 adminKeymaster I just bought these for my original 1.0 mm Power tank. They fit and write perfect. I love the Power Tank but the 1.0 tip is a little big for writing in small notebooks. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In