The Baoer 3035 is a quite reliable pen. I say "quite" because sometimes it is a very dry pen and needs nib adjustment. I have three colors at the moment, but I think there were more colors available. I especially saw that there was a blue pen on Amazon.JP which is now out-of-stock. The Jinhao catalog of 2017 also indicates a silver (3035-4) and the red and blue pen. If you have more information, please tell me or comment. The cap is very heavy, half of the pen's weight comes from the cap. It has the tendency to unscrew the barrel from the feed section. I use it at my workplace where there is a chance that a pen can become dirty. As these pens can be easily cleaned with organic solvents, they are mostly metal, it doesn't matter. Data sheet length (capped): 137 mm length (uncapped): 122 mm width (at trimband): 13 mm width (at barrel): 12 mm nib length: ...