Merit Tyrell iris hook is used for retraction, dissection, handling, and removal of delicate tissues. It is most often used in ophthalmologic procedures but may also used in dermatology. One of the most popular skin hooks, the Tyrell Iris Hook is available with a blunt or sharp tip and has a smooth, flat handle. Merit instruments are Sklar’s office-grade line of products and most commonly utilized for routine and in-office minor procedures. These cost effective, high quality instruments are crafted from Pakistan steel and come with a 10 year guarantee.