1987-1991 PORSCHE 928 Convex Passenger Side Mirror Replacement Glass This glass measures 6 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