Catamount Twist tail cable ties are made of natural polyamide (nylon 6.6) for temperatures up to 85 degree Celsius (185 F) for indoor applications. The Twist Tail cable tie is the tool less cable tie. Tail twists right off without the use of a tool making for a quick and easy install. At 11 inch length, these cable ties are ideal for general cable tie applications. Rated for tensile strength up to 30 lbs.