When the radio is plugged in, the keys are designed to lock in place, allowing you to remove the radio without using extra tools. Removing the radio without the correct release tool may be difficult or could damage your unit. Radio Removal Tool Compatible with Most DIN Radios Installed in Rear Vauxhall Units Some radios have holes approximately 4 inches and 2 inches apart. If your radio has 1 or 2 holes on each side, spaced about 2 inches apart, this tool is suitable. Refer to DIN dimensions above. For certain Vauxhall models, you may need to remove 4 small studs using a Hex Key (5/64) before inserting the removal tool. Type: Sheet Metal Tools Compatible With: Opel CD30, CD30 MP3, CDC40 OPERA, CD70 NAVI, CD90 NAVI / C / Meriva Saves time and effort Easy to use – simply insert into the factory-installed holes on the left and right sides and gently pull out the radio. Condition: Color: Silver Material: Metal Package Contents: 1 Pair (2 Pieces) Car Stereo Removal Tools Note: The package includes only the items listed above; other products are not included. Lighting and monitor differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.