The Carson 4.5x Fish'n Grip Pro Pocket Size Magnifier is a real fisherman's friend. With its reverse tweezers, magnetic hook threader and cleaner, it should a part of any angler's tackle box or clipped to his vest. The included 5x LED magnifier helps see the smallest detail when tying a fly. When not used, store it in its PVC weather-proof pouch. The LEDs operate on three included SG3 button cells. This is an affordable, very handy tool that will make a great present for any fisherman.