The Duplex Screws at Naman Pipe & Tubes are strong reusable, double-headed hex-head screws that are easy to install, remove and use again. It is the ideal fastener for temporary structures that must be erected quickly and removed with little effort. Installation with a standard Phillips screw driver ensures a firm grip, and an easy application. They’re designed to be removed with ease, so they do not completely go into the wood during installation. These Duplex Screws outperform Duplex Nails and are reusable.