Dr. Slick's aluminum and brass Jumbo tools are easy to see, easy to grab, won't roll around on your bench and they are a pleasure to use. A Whip Finisher is the quickest way to finish off your fly and give it a professional appearance. This 4-inch rotary model is suitable for small to medium flies and this one features the Slick Jumbo handle with a half hitch tool on the bottom end. The handle is 5 inches long and 10mm in diameter.