A Steel Grip 24 in. L Black Cable Tie is made from flexible and durable polyamide 6.6, these cable ties are easy to use with a self-locking design. They are 175 pound-heavy duty tensile strength, for indoor and outdoor applications; and also for the HVAC industry with UL181 B listed. It has a good resistance to bases, oils, greases, oil derivates, and chloride solvents; and limited resistance to acids. | Steel Grip | | 24 in. L Black Cable Tie 10 pk | Best Buy