A Pair of Pro-Tex Trivets featuring Vintage Automobiles produced in the 1950's. The Vintage Automobiles are a "Ford Model A from 1903" and a "Maxwell from 1911". The Pro-Tex Trivets each measure 5 7/8 inches square and have a hole in the back for hanging. They each have some scratches and rust. The backs are marked: "This is a Guaranteed Pro-Tex Product, Made In U.S.A., Protects Fine Surfaces Throughout the Home and Do Not Use Over Flame".