Description This replacement Visconti Rembrandt Steel nib unit in Fine point, is stainless steel, has intricate scrollwork on the face of the nib, and fits the Rembrandt series fountain pens, as well as Van Gogh fountain pens. This threaded nib unit is easy to replace in the pen. Just remove the section from the fountain pen to remove the converter before rotating the old nib unit counterclockwise to remove. The new nib unit simply screws back in. We offer Free Shipping on all orders over $50 for US customers, and for orders over $250 for our Canadian customers.