WoodPro Fasteners ST516X318B 5/16-Inch by 3-1/8-Inch Length Round Washer Head Exterior Wood Screws， 250-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>5/16 x 3-1/8-Inch length， Includes One 25mm T-30 Star Bit</li><li>T-30 Star Drive， Torx(tm) Compatible</li><li>Patented ASTER thread for quick starting</li><li>Sharp Type-17 Point for easy drilling</li><li>PPG Industries 1，500 Hour Golden E-Coat</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/31va6lNFwOL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/61NUxzQbA3L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41hWN6cjFOL.jpg' noproxy></br>