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 standardBent tip ensures EASY INSERTION into the tie headEASY 'slip' during pull-thru due to smooth radiuses edgesFinger grips on end provides SECURE GRIP TO TIGHTENMade from DURABLE 100% NYLON 6/6 materialColored cable tires fasten wire for easy bundle identificationPatented Double lock design ensures 50-Percent more tensile strength than industry standardsFlexible nylon material allows cable ties to remain serviceable through temperature ranges of -40-Degree to 185-Degree FRecognize under component program UL E125869Meets flammability classification UL 94 V-2