The Silicone Round Cord Metal is a silicone cord with a metal core that is designed for high temperature applications up to 500°F. It has a round cross-section and comes in multiple diameters from 1/16 inch to 3/8 inch. The metal core provides strength while the silicone jacket offers flexibility and high heat resistance. This cord can be used for a variety of purposes including gasketing, sealing, binding, attaching and more. It comes in standard lengths of 25 feet and 50 feet. This high quality silicone cord is made in the USA.