WoodPro Fasteners ST516X4B 5/16-Inch by 4-Inch Length Round Washer Head Exterior Wood Screws， 250-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>5/16 x 4-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><img src="http://ecx.images-amazon.com/images/I/31va6lNFwOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61aQkUtGS-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41OCwv9CW4L.jpg" noproxy>