Pentel Tradio Sketching Fountain Pen, Carded Packaging

I love this pen! I almost exclusively use fountain pens when I draw/sketch, it's a lot cheaper to refill them, considering I always have a sketch in my hands... but my assortment of black inks are all waterproof, because I typically add watercolour or an ink wash over my linework. the tradio is not waterproof, and it's just fun for doodling and slwtching, the tip was weird at first, but it's grown on me. it has a generous amount of ink, but I've used quite a bit of it, so I've ordered a large box of refills; they seem pricey at first, until you consider how much ink is in them. the only thing I dislike is how the refill is huge, so a lot of waste is accumulated over time, but all of my other pens are piston fill (my LAMY Safari uses a converter, but it's still quite economical to fill), so I suppose it evens out? I love this pen, it's in my sketch kit and won't be leaving anytime soon.