DEI Stainless Steel Positive Locking Ties are specially designed for high heat applications and are ideal for securing DEI exhaust wrap. These self-locking stainless steel ladder-type ties utilize a ratcheting system that will remain securely held in place. These Positive Locking Ties are strong, durable and able to withstand extreme heat and harsh environmental conditions as well as most chemicals and lubricants. They are UV, corrosion and fire resistant while offering many other practical uses including bundling electrical wires/cables, hoses and fluid lines.