Made from non-toxic aluminum, these Decoy Cord Crimps are designed for attaching line and weights to your decoys or anything else you want to keep anchored. Simply thread decoy cord through one hole of the crimp then though the keel of the decoy or the bottom weight and back through the remaining hole in the crimp. Close the aluminum crimp with pliers. These rugged crimps will keep your decoy attached for life! Product Features Will not rust Works will most major brands of decoy line Designed to work with Higdon Nylon Non Tangle Line. Works great with all PVC line Rugged 150 pack