DEI Stainless Steel Locking Tie These locking ties were designed to secure DEI's exhaust wrap but the uses are endless. Made of high grade stainless steel they will withstand temperatures in excess of 2500 degrees and have a tensile strength over 100 lbs. These locking ties will provide a finished look to any job quickly and easily. Made from high grade stainless steel Can handle extreme heat in excess of 2500 degrees Strong – 100 lb tensile strength Simple and safe with no sharp edges Thermotec Snap Straps The multi-purpose stainless steel Snap Straps are used to secure the Exhaust Insulating Wrap - and more. The high-temperature stainless steel straps have a narrow profile to fit tight spots, and can be cut to the exact length needed. Snap Straps secure with easy-to-use slide-through fasteners.