This vintage Columbia No. 790 45 RPM record adapter, in its original box, is a must-have for any antique music collector. It allows you to play your old 45 RPM records with ease, without having to worry about any damage to your equipment. With its sturdy construction and high-quality materials, this record adapter is built to last. It is compatible with a wide range of antique music equipment and is sure to provide you with hours of listening pleasure. Don't miss out on the opportunity to own this rare piece of music history. The dimensions are approximately (2 1/2" x 2 1/4" x 1/2")