4 Inch size is shorter and thinner than longer cable ties, perfect for small spaces and simpler wire management High quality cable ties feature high tensile strength and force needed for insertion. The most highly tested and rated cable ties anywhere! Fully designed and manufactured in the USA, these cable ties are certified at Mil Spec Reference MS3367-4-0, UL Listed (Type 21), CSA Certified (Type 21) RoHS Compliant, CE Compliant (Type 2) and Air Handling Approved (UL, CSA AH-2 Rated) Min Operating temp -40 F. Max Operating Temp 185F. UL Material Flame Rating 94 V-2. Minimum Bundle Diameter 0.06". Maximum bundle diameter 0.87" Mulitple sizes, quantities and colors available. Made in the USA - All the way! Kenco is a third generation family business located in the heartland of the USA. Produced under ISO 9001:2015 conditions, meeting UL, CSA, and Military standards, we hope these products meet or exceed all your needs and extend our quality guarantee for your full satisfaction with our products