Hudson Products Safety Belt Buckle Heat Exchangers Brass Vtg OC Tanner ...a very cool old Hudson Products, Safety belt buckle, manufacturer of Air-Cooled Heat Exchangers, in Beasley, Texas. This is a solid brass buckle with darkened accents, made by O.C. Tanner, of Salt Lake City, in 1981. It is in pretty nice condition, as shown in the photos it does have some tarnish / patina, and some wear and tear from age or use. It measures approximately 3-3/4" x 2-1/2", fits a 1-3/4" wide belt and weighs about 4 oz. Please ask any questions before you buy and look at all the photos for additional details about the condition, description and the size of this buckle, what you see is what you are buying. Thank you.