Panduit PLT3H-L186 Locking Cable Ties are designed to help the food, beverage and pharmaceutical industries meet product manufacturing safety standards. Featuring metal impregnated material, these metal detectable products are identifiable by metal detection equipment. Additionally, the distinct dark blue color facilitates quick visual detection. Light-Heavy cross section, 11.1 in length. Made of metal detectable polypropylene, are dark blue in color and come in packages of 50.