This sterling silver friction clasp offers a smooth, streamlined closure for necklace designs made with leather, rubber cord or lightweight chain. Crimp or solder your choice of cord or chain (1.7mm diameter) into the clasp ends. Friction clasps operate by providing just enough friction between the two parts of the clasp to hold the necklace securely closed. See the how-to in the “More Info” tab for instructions on how to adjust a friction clasp that is a bit too loose or too tight. A friction clasp is a two-part tube-style clasp; one part of the clasp slides inside the other side; the parts are fitted tightly enough that simple friction holds the two snugly together until they are pulled apart. This clasp is ideal for chokers, slender neck rings and cable neck wires.