Description This Esterbrook Dip-Less Style replacement nib marked 7550 is a Firm Extra Fine nib made of stainless steel. Esterbrook Dip-Less nibs are just the nib, with no feed or collar, and will not fit into the regular fountain pen bodies. This nib has the starburst style engraving. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.