Bosch T3913SC 1-9/16 In. SDS-plus SPEEDCORE Thin-wall Core Bit</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>High-grade tungsten carbide teeth</li><li>Pilot bit is integrated with mandrel</li><li>Ejector hole</li><li>Works with Bosch SPEEDCORE SDS-plus pilot bits and extensions</li><li>Designed for drilling with smaller hammers</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/51XElDhVwIL.jpg' noproxy></br>