The product is a set of 3 antique skeleton keys from the 1930s to 1940s, specifically designed with an open barrel style. These vintage keys are highly sought after by collectors due to their unique design and historical significance. The skeleton key style provides a glimpse into the past, offering a touch of nostalgia and adding a charming decorative element to any collection. Perfect for those interested in lock and key history, these antique pieces are sure to be a unique and valuable addition to any collection of vintage items.