Designed for quick and easy use Strong and flexible, they can be wrapped around a bundle quickly and the tail is easily inserted into a self-locking head The smaller standard size ties have bent tails to facilitate insertion by user Made of high-strength Nylon 66 that resists abrasion and chemicals such as common oils, greases, solvents, dilute acids and alkalines Fungus-resistant, self-extinguishing and have excellent dielectric properties