Amazon offers its Prime members the Pentel EnerGel EnerGel Deluxe RTX Metal Tip Pen 6-Pack
, model no. BL77BP6M, in assorted ink colors for $6
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.58.) That's $1/pen and the lowest price we could find in this quantity by $14. This ballpoint pen features a latex-free rubber grip, and more.