This is a brand new genuine oem original Apple Iphone 3g 3gs 3g s 8gb 16 gb center middle chassis frame housing cover. Made from plastic and metal this is the tray which the digitizer touch pad lcd screen fits into. The main home button and speaker earpiece fits on here too.

The lcd screws onto this part and the digitizer sticks on with sticky pads or glue. Check the picture carefully to confirm this is what you need.