Steel Sheet Metal Screw， Black Oxide Finish， Truss Head， Phillips Drive， Type A， #8-15 Thread Size， 1/2" Length (Pack of 100)<img src="http://ecx.images-amazon.com/images/I/41oNB8CJDUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FdgGXNYFL.jpg" noproxy>