Hitachi 728800 SDS Max 3/4-Inch Hex 21/32-Inch Round 3/4-Inch Hex Shanks 5-Inch x 5-Inch Tamper Plate</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Measures 5-inches by 5-inches to 1-inch I.D</li><li>Made of high quality carbon hardened steel</li><li>High tolerance milled shank provides a perfect fit</li><li>CNC controlled manufacturing ensures 100-percent quality consistency</li><li>Comes with a 30-day limited warranty</li><li>High Quality Carbon Hardened Steel</li><li>High Tolerance milled shank provides perfect fit</li><li>CNC Controlled manufacturing ensures 100% quality consistency</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/4180arAeHqL.jpg' noproxy></br>