Stainless steel retaining ring used to hold sealed beam headlight bulb into the bucket.
Used on all 1961-69 F-85 models, 1965-66 88, 98, Starfire and Toronado, and 1968-69 88 and 98. Sold each.
1958-73 Buick all models
1961-69 Oldsmobile F-85 models
1965-66 Oldsmobile 88, 98, Starfire and Toronado
1968-69 Oldsmobile 88 and 98