In honor of yesterday's giveaway post , I grabbed one of the Pentel Energel pens that I have yet to review and put it to the test.  I have reviewed a couple of Energel models in the past, but never the setup of the single cartridge retractable needle tip like this one. 
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Exquisitely designed with an aluminum alloy barrel for those who want to make a statement, High performance ink technology combines the best qualities
EnerGel® Alloy Gel Pen