Make your Aqua Eraser Pen last through many, many sew projects with these replaceable points. Sewline recommends replacing the tips once they have become discolored. For use with the Aqua Eraser Pen, eQuilter product code UNSLIAQP. 'Aqua Eraser: Absorbent Fibre Points' tip refills for the 'Aqua Eraser' pen by Sewline.