This is an original home button with rubber gasket and silver metal spacer for iPhone 4S black ,Important Metal spacer glued to the back of home button,helps the home button to be fitted perfectly. Perfect condition and ensured 100% working
http://www.hytparts.com/000302-original-black-home-menu-button-rubber-gasket-holder-metal-spacer-for-iphone-4s-repair-parts.html