Pro Tie B5PM25 5.9-Inch Arrowhead Push Mount Cable Tie, UV Black Nylon, 25-Pack Cable ties feature locking barbs that snap and hold securely in pre-drilled holes in sheet metal from .079-Inch to .125-Inch thick High strength and lightweight nylon 6/6 is a hygroscopic material which absorbs and releases moisture Working temperature range of 40 to 185-Degree F or-40 to 85-Degree C and UV stabilized for outdoor use Ties can be mounted before or after bundling 40 lbs tensile strength