US Cable Ties SMH8B100 8-Inch Screw Mount Ties, UV Black, 100-Pack Allows you to fasten your bundle directly to walls, panels, automotive chassis, or any other surface you desire Nylon 6/6 is a hygroscopic material which absorbs and releases moisture and is non-toxic Use a 8 or 10 wood, sheet metal or concrete screw Working temperature range of-40 to 185-Degree F or-40 to 85-Degree C UV Black cable ties are UV stabilized for outdoor use