The UST Mamiya DEMO SHAFT Recoil Dart HDC 70 Stiff Flex Iron is a high-quality graphite golf club shaft designed for iron clubs. With a stiff flex and a weight of 70g, this shaft provides excellent control and stability for skilled golfers. The 36-inch length is suitable for most golfers looking to upgrade their iron clubs with a lightweight and durable shaft. The Recoil Dart HDC model from UST Mamiya is known for its performance and reliability, making it a popular choice among golf enthusiasts.