1960-1966 Chevy Stepside Truck Blue Dot Tail Light Lenses. How about this pair of tail light lenses for your favorite Chevrolet Pick-Up? They have real diamond cut glass blue dots with chrome bezels. They measure 3 3/4" OD and the screw holes are 2 13/16" on center (slightly offset). This listing is for 2 lenses as shown. You know you must buy a pair so they'll match. Well, here you go!