This William Mitchell Copperplate Dip Pen Set, with three copperplate elbow dip nibs has a very fine, responsive elbow, with a flexible point for expressive lines. This nib is able to keep a correct alignment when used in a normal penholder. Oblique pens are constructed to enable ease of writing with exceptional results. William Mitchell nib points have a protective lacquer to prevent tarnishing. Briefly immerse the full pen point in boiling water before first use to remove.