<h3>Product Features:</h3><br/><ul><br/><li>Designed for drilling holes for electrical boxes and sockets in all types of building materials such as b<strong>rick, concrete, tiles, gypsum boards, and gypsum-cement boards</strong>.</li><br/><li>Features an extension that allows mounting in both the SDS+ chuck and the standard clamping head in each drill.</li><br/><li>It has a<strong> toothed rim made of cemented carbide</strong>.</li><br/></ul>