The 2021 Cobra RADSpeed One Length Left Hand Iron Set Stiff Flex includes 7 clubs ranging from #5 to #9, PW, and GW. These iron clubs are designed for left-handed golfers with a stiff flex steel shaft for optimal performance on the course. The Cobra brand is known for its quality and innovation in golf equipment, making this set a reliable choice for golfers looking to improve their game with a consistent, one-length design.