Johnson Level & Tool RTS24 24-Inch RockRipper - Drywall Scoring Square</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>High-impact plastic head</li><li>Screened black graduations</li><li>Insert-molded aluminum blade</li><li>Blade perforations accept utility knife blade point for scoring drywall</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31G663QTNGL.jpg' noproxy></br>