Natural Heavy Duty Cable Ties are a cable fastening device used for a multitude of applications. They are manufactured from 6/6 Nylon and are ideal for use in industrial, electrical and MRO applications. They are suitable for use in Air Handling spaces in accordance with Section 300.22(C) and (D) of the National Electrical Code and Rules 12-010 (3), (4), and (5) and 12-020 of the Canadian Electrical Code, Part 1.