Ecrocy 500pcs Self-Locking Cable Ties - In 10 Colors - 4" Length: 4" Width: 0.09" Tensil strength: 18 lbs, self locking, can tie firmly 500pcs in total in the package, 50pcs for each 10 colors Nylon wire ties designed for home, office, garage, workshop etc with rounded edges for easy handling and to prevent snagging