Strong Material: Won't damage data, electrical, or other wire and cables, avoiding signal and electrical problems caused by staples. 360-Degree Grip: Added ridges lock the cable in place, allowing for automatic adjustments of cables, cords, and wires of many sizes, and ensuring cables will not slide back and forth. Indoor and Outdoor Use: UV-protected PE clip and yellow zinc-plated screw anchors are designed to be strong and simple to install. The screws are pre-installed into the clip, saving time and making installation much simpler. Versatile Design: The screw-head profile delivers a straightforward approach to driving without slippage, by providing both a 1/4 inch Hex Drive and Phillips head screw option. Solid Construction: Each clip is precision machined from corrosion-protected materials to provide a secure connection.