***** **********Best Quality Guranteed. *****Premium quality UL Listed electrical cable ties manufactured from industrial strength flexible nylon material for long lasting product performance*****Bundle diameter 1.97 inch (50mm); operating temp minus 40 degrees Fahrenheit to 185 degrees Fahrenheit*****1000 pieces contractor size packaging; recommended for outdoor or indoor use*****Perfect for organizing a home office or a project around the house; 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; cable ties are the perfect choice for your cable management organizational or bundling projects*****performance driven and high quality products are preferred by industry leaders