Gardner Bender 46-310UVB DoubleLock Cable Tie, 11 inch, 75 lb, Electrical Wire and Cord Management, Nylon Zip Tie, 100 Pk, UV Resistant Black Patented design with LOCKING TEETH on both sides of the tie ENSURE A STRONGER CONNECTION at the head with 50% greater tensile strength than the industry standard Bent tip ensures EASY INSERTION into the tie head EASY 'slip' during pull-thru due to smooth radiused edges Finger grips on end provides SECURE GRIP TO TIGHTEN Made from DURABLE 100% NYLON 6/6 material - Ultraviolet black (UVB) ties resist harmful light rays - primarily for outdoor use. DoubleLockTM Design Meets military spec MS3367 UL listed -40 to 185 deg F 75lbs Tensile Strength