GM  Hubcap Key wrench for Buick Cadillac Oldsmobile,  'Y' Code yellow or white-ish  nut,  lock wrench tool OEM.  

There is a difference between the  red, green, and  yellow  wire hubcap  lock nuts.

• 1980's -1990's  Cadillac Buick  Pontiac Oldsmobile Chevrolet security wire wheel cover wrench.
• This will Only work with GM lock nuts engraved with "Y" on top.
  

Thanks, sw