Here is a great tool to open up the Xbox 360 Case.
For XBOX360 Console Opening Unlock Mod Case Repair Tool
 For XBOX360 Console Opening Unlock Mod Case Repair Tool
$2.98
Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
 Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
$3.28
Metal Unlock Opening Open Tool Repair Kit Case for Microsoft XBOX 360 console
 Metal Unlock Opening Open Tool Repair Kit Case for Microsoft XBOX 360 console
$0.89
$1.00
Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
 Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
$3.22
Unlock Opening Open Repair Tool Kit Case For Xbox 360
 Unlock Opening Open Repair Tool Kit Case For Xbox 360
$1.08
FOR XBOX 360 UNLOCK KIT TOOL OPEN CASE TAKE APART MOD
 FOR XBOX 360 UNLOCK KIT TOOL OPEN CASE TAKE APART MOD
$3.58
FOR XBOX 360 UNLOCK TOOL KIT OPEN CASE TAKE APART MOD
 FOR XBOX 360 UNLOCK TOOL KIT OPEN CASE TAKE APART MOD
$3.58
XBOX 360 X360 Slim XCM X8 Unlock Tool Mod Repair Case Shell Opening Kit Set NEW
 XBOX 360 X360 Slim XCM X8 Unlock Tool Mod Repair Case Shell Opening Kit Set NEW
$15.99
Case Open Tool for Xbox 360 Slim
 Case Open Tool for Xbox 360 Slim
$6.99
Xbox 360 Open Repair Console & Controller Case Opening Tool Set Kit
 Xbox 360 Open Repair Console & Controller Case Opening Tool Set Kit
$3.55
Xbox 360 Slim S Case Opening Open Tool Unlock Kit T8+10
 Xbox 360 Slim S Case Opening Open Tool Unlock Kit T8+10
$3.30
UNLOCK TOOL KIT OPEN CASE TAKE APART MOD FOR XBOX 360
 UNLOCK TOOL KIT OPEN CASE TAKE APART MOD FOR XBOX 360
$2.98
Repair Opening Tools Set for Xbox 360 Wireless Controller Case Unlock Open
 Repair Opening Tools Set for Xbox 360 Wireless Controller Case Unlock Open
$2.84
Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
 Unlock Open Tool Kit Set Torx T8 T10 Repair Part Case For Xbox 360 Slim S System
$3.22
Game Opening Tool Unlock Repair Fix Case Cover For Xbox 360 New
 Game Opening Tool Unlock Repair Fix Case Cover For Xbox 360 New
$3.17
Opening Tool for Xbox360 Unlock Mod Case Console Repair
 Opening Tool for Xbox360 Unlock Mod Case Console Repair
$2.98
FOR XBOX 360 UNLOCK TOOL KIT OPEN CASE TAKE APART MOD
 FOR XBOX 360 UNLOCK TOOL KIT OPEN CASE TAKE APART MOD
$2.98
Screwdriver Repair Tool for Xbox 360 * Unlock Open Case
 Screwdriver Repair Tool for Xbox 360 * Unlock Open Case
$2.68
Microsoft XBOX 360 Phat Mod Repair Case Shell Opening Tool Kit Set
 Microsoft XBOX 360 Phat Mod Repair Case Shell Opening Tool Kit Set
$7.02
Xbox 360 S, Slim Open Repair Console & Controller Case Opening Tool Set Kit
 Xbox 360 S, Slim Open Repair Console & Controller Case Opening Tool Set Kit
$7.99