Extend the life of your favorite pen with long-lasting refills! Plus, you can save money - since you won't have to buy new pens over and over. Sheaffer Pens part of a large selection of office supplies. Sheaffer(R) Ballpoint Pen Refill, Medium Point, 1.0mm, Blue is one of many Pen Refills available through Office Depot. Made by Sheaffer.