Panduit PLT4S-M109 Locking Cable Ties are designed to fasten wiring and hoses in the chemical process industry and related harsh environments. Ideal for applications that demand a cable tie material that provides superior chemical resistance to salts, bases and acids in various solutions and concentrations. Standard cross section, 14.5" (368mm) length. Made of Polypropylene and are for indoor use only. They are a distinctive green color and come in packages of 1000.