Double set of 26 car radio removal blades

Double plastic ABS set with 26 blades allowing the disassembly of all the car stereo.The car stereos need the use of specific blades with different forms to be removed.Every blades are doubled to get the radio stable during its disassembling.
All the blades are in double.
What makes it possible to maintain stable the car radio during its disassembling.
AUDI - FIAT - VW - ESPARTO - SEAT - SKODA - FORD - BMW - MERCEDES - RENAULT - LANCIA - PSA - OPEL - PORCH - BUT ALSO BLAUPUNKT - CLARION - ALPINE - GRUNDIG - AND OF MANY OTHER MARKS