Custom Towing Mirror For - GMC - Sierra - 1999-2006 - Black - Will not fit Full-Chrome Mirrors or Telescopic Mirrors. Fits both Black and Chrome Cap Models, ( Fits Black Fold-Away Style Mirror without additional lighting features, such as LED turn signals, automatic dimming, and puddle lights. Adjustable to Fit Existing Mirror. Installs Quickly and Securely. No Tools Required. Extend your Towing Vision.