Premium quality UL Listed electrical cable ties manufactured from industrial strength flexible nylon material for long lasting product performance. Bundle diameter 4-in (102mm); operating temp minus 40 degrees Fahrenheit to 185 degrees Fahrenheit. 1,000 pieces contractor size packaging; recommended for indoor use. Contractor and professional quality, excellent choice for organization projects around the home or office; doing small home renovations or a commercial construction job; merchandising product, hanging signs and banners, craft, sports or seasonal, holiday ornaments and so much more; Cambridge cable ties are the perfect choice for your cable management, organizational or bundling projects. Cambridge performance driven and high quality products are preferred by industry leaders.