These Automatic Fishing Reels are great for survival. Just add a hook and some bait, and these reels will set the hook , reel in the fish, and hold it until you get there. The reels are automatically set when the trigger is released by the fish taking the bait. They can be attached to a limb overhanging water, or by any means that suspends them over water. Great for unattended fishing while your checking your snares (note: some states don't allow unattended fishing - check your local laws). Available in galvanized steel, they feature stainless steel springs and 60 lb. test line. Reel measures 2-1/2" diameter, Wt. 1.8 oz. Available as a Single or in a 3 Pack.