Hex Standoff， Brass， Female， Zinc Plated， M2.5-0.45 Screw Size， 4.5mm OD， 11mm Length， (Pack of 10)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Standoffs are threaded fasteners that separate， space， or connect components within a system to ensure proper placement</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Max9tzGXL.jpg" noproxy>