Steel Grip 36 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 rounded edge design to protect the cable better. They are 175-pound heavy-duty tensile strength, for indoor and outdoor applications and also for the HVAC industry with UL181 B listed. | Steel Grip | | 36 in. L Black Cable Tie 10 pk | Best Buy