Here is a great tool to open up the Xbox 360 Case.
XBOX360 Opening Tool Kit - Unlock Mod Case Open Repair

XBOX360 Opening Tool Kit - Unlock Mod Case Open Repair

$4.49 8h 5m
NEW TOOLS REQUIRED For XBOX360 OPENING CONSOLE CASE US

NEW TOOLS REQUIRED For XBOX360 OPENING CONSOLE CASE US

$4.69 8h 9m
Repair Tool Wrench for Xbox 360 Case Open Opening DIY

Repair Tool Wrench for Xbox 360 Case Open Opening DIY

$3.99 11h 41m
Xbox 360 Repair Kit & Opening Tool Unlock Mod Case Open

Xbox 360 Repair Kit & Opening Tool Unlock Mod Case Open

$11.75 16h 14m
Unlock Opening Tool Repair Kit 4 XBOX 360 Case Console

Unlock Opening Tool Repair Kit 4 XBOX 360 Case Console

- $0.15 20h 39m
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$1.00 21h 22m
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$2.69 1d 3h 48m
Unlock Opening Tool Repair Kit 4 XBOX 360 Case Console

Unlock Opening Tool Repair Kit 4 XBOX 360 Case Console

$1.27 1d 4h 33m
Xbox 360 Repair Kit & Opening Tool Mod Unlock Case Open

Xbox 360 Repair Kit & Opening Tool Mod Unlock Case Open

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$11.19
$12.49
1d 6h 51m
XBOX 360 CASE MOD SYSTEM UNLOCK OPENING TORX TOOL

XBOX 360 CASE MOD SYSTEM UNLOCK OPENING TORX TOOL

-
$7.99
$9.99
1d 7h 15m
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$1.00 1d 9h 42m
Repair Kit XBOX 360: UNLOCK CASE OPENING TOOL INCLUDED

Repair Kit XBOX 360: UNLOCK CASE OPENING TOOL INCLUDED

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$12.49
$13.99
1d 16h 18m
Repair Kit XBOX 360: UNLOCK CASE OPENING TOOL INCLUDED!

Repair Kit XBOX 360: UNLOCK CASE OPENING TOOL INCLUDED!

$11.50 1d 17h 5m
Repair XBOX 360 Kit: CASE UNLOCK OPENING TOOL INCLUDED!

Repair XBOX 360 Kit: CASE UNLOCK OPENING TOOL INCLUDED!

$13.50 1d 19h 50m
Repair Kit XBOX 360: Includes CASE UNLOCK OPENING TOOL!

Repair Kit XBOX 360: Includes CASE UNLOCK OPENING TOOL!

$16.00 1d 20h
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$1.00 1d 22h 5m
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$1.00 2d 5h 14m
Unlock Opening Repair Tool for XBOX 360 Case Console

Unlock Opening Repair Tool for XBOX 360 Case Console

$1.00 2d 5h 25m
Repair Kit XBOX 360: CASE UNLOCK OPENING TOOL INCLUDED

Repair Kit XBOX 360: CASE UNLOCK OPENING TOOL INCLUDED

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$12.49
$13.99
2d 7h 23m
Unlock Open Opening Tool Repair Kit Case for XBOX 360

Unlock Open Opening Tool Repair Kit Case for XBOX 360

$4.39 2d 11h 56m