This is the EASIEST and FASTEST way to tie a perfect knot, every time! Knot Tying Tool Features include: Easy to use! Clips in pocket like a pen. Works on jigs, hooks, swivels, leaders, flies and crankbaits. Works on 2lb up to 60lb line. This fishing hook knot tool is excellent for those with shaky hands, arthritis or poor vision. Extremely durable - won't rust! Great for ALL ages!