Description The Pilot Acroball ballpoint gel refills in Blue with a Medium point come packaged as a 2-pack, and they fit Pilot Acroball 1000 ballpoint pens, as well as the Acroball PureWhite, Acroball Colors, Acroball Pro, Acroball BCA and Acroball 300 pens.We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.