The Silicone Round Cord Metal is a silicone rubber cord with a metal core that is flexible and durable. It has a temperature range of -60°F to 500°F and comes in multiple diameters and lengths. The cord has good electrical insulation properties and high tensile strength. It is often used for applications like binding, bundling, wrapping, and securing in extreme environments. The metal core provides strength while the silicone jacket offers flexibility. This product can be purchased on Grainger's website in desired diameter and length.