Hard-to-Find Fastener 014973281625 Socket Cap Screws， 40mm， 10-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 4mm</li><li>Length: 40mm</li><li>Material: Steel</li><li>Finish: Plain</li><li>Head Style: Socket (Hex)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41inwI3uerL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31w-VkXLQGL.jpg" noproxy>