DEI Stainless Steel Locking Ties are perfect for securing wrap to pipes with it's self-locking design. Made of high-grade stainless steel, they will withstand temperatures in excess of 2500 degrees Fahrenheit and have a tensile strength over 100 lbs. Although they were designed to secure DEI Exhaust Wrap, these Locking Ties offer many other uses - including bundling wires, hoses, and other forms of insulation products. DEI Stainless Steel Locking ties provide a finished look toany job quickly and easily. Just slide end into locking mechanism and pull tight.