This vintage Nutsert setting tool is a must-have for any collector or enthusiast of fasteners and hardware. Made of durable carbon steel and featuring a flat head design, this rivet nut is perfect for use in various industrial applications. The tool is marketed by Brookstone England and is a NOS item, making it a rare find for those searching for unique and hard-to-find pieces. The screw size is #6, and the brand is Nutsert, a well-known name in the industry. This item is perfect for display or for use in practical applications, and its history is sure to be a topic of interest.