Description The Pilot Dr. Grip Center of Gravity ballpoint gel refills in Black with a Medium point come packaged in a 2-pack, and they fit Dr. Grip and Pilot Metropolitan ballpoint pens. These refills are the same as the Pilot BRFN-10 refills, for reference. We offer Free Shipping on all orders over $50 for US customers, and for orders over $250 for our Canadian customers.