Right now there are 950 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Office Products › Office & School Supplies › Writing & Correction Supplies › Pens & Refills. 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, Paper Mate, Zebra Pen, BIC, Parker, Sharpie, Monteverde. Every item is a one-off, so the stock moves all day and new deals keep arriving.