Zebra Blen

Got it in 0.7 black and gray. Its pros: (1) slightly heavier weight at the tip's end, (2) rubberized grip section which extends close to the pen's tip, (3) grip width which provides for a comfortable hold, (4) retractable end stays put which gives a visual cue as to whether the tip is extended or retracted, and (5) dark and smooth ink. It amazes me that I haven't come across many others who find this ink/ink refill to be the best of all the hybrids on the market. I've used the Pentel Vicuna, Uniball Jetstream, and Pilot Acroball which all produce gaps (railroading) -- does this have more to do with the ink or the rolling ball at the tip of the refill?? Zebra's emulsion refills produce a dark and consistent ink line. The features I don't care for is the width between the clip area (it took 17 sheets of paper for the pen to hold securely) and the tip number on the retractable end (more useful feature if it were a technical/artist pen or if it were nonrefillable) Overall, I'm enjoying thi