The entire KRW family of flies and squids are hand crafted using only the finest materials and assembly techniques. The leaders are manufactured with 50 lb. test Trilene Berkley Big Game fishing line, and size #1 Eagle claw treble hooks with 4x strength. All lures come in a plastic tube that is designed to keep your flies and squids from becoming tangled and these tubes can be used over and over again. Warning-use of this product can result in increased fish cooler weight which may lead to back problems!