0.15 mm v-shaped tip, 4-3/4″ (12.0 cm)?Maltzman-Fenzl Lens Manipulating Hook is a commonly used tool during cataract procedures. The hook is used to manipulate the opacified native lens during a phacoemulsification procedure. The tip contains 2 prongs designed to cup the lens in a variety of positions. Both angled and straight models are available with the hook depending on surgical preference.