Xtenzi Audi Vw Mercedes Double Din Radio Removal Key Tool (2 Pair) Xtenzi Brand Double DIN keys sold in set of four Fit all mk4 double din radio/CD players (both monsoon & premium) Fit Touareg radios & many Audi double DIN radios (2 Pair) Needed for the proper removal of radio. Applicable: Audi and VW models, '98+.