Right now there are 300 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Office Products › Office & School Supplies › Writing & Correction Supplies › Pens & Refills › Rollerball Pens. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: PILOT, Pentel, Sharpie, Zebra Pen, Paper Mate, WRITECH, BIC, Micro. Every item is a one-off, so the stock moves all day and new deals keep arriving.