Gasket that goes under the door mirror. It will fit a mirror base that is about 5-7/16" long and 1-1/4" wide with holes 2-3/4" apart. This mirror is also known as a Yankee No. 540 Comet and No. 543 Rocket mirrors that were sold as aftermarket products in the 50's and 60's See the Discounts Link on the main page for discounts for purchasing multiple items.
