1999-2004 OLDSMOBILE ALERO Flat Driver Side Mirror Replacement Glass This glass measures 7 7/8 inches diagonally (Longest diagonal dimension from top corner to opposing bottom corner) Redi-Stick adhesive pads included, no need to buy additional adhesive. Exclusive Burco Authorized On-Line Distributor We are the only distributor able to give Burco Lifetime Guarantee Burco Trained Technical Support