Thank you for viewing. I purchased this previously, but I will not be using it in the future, so I am putting it up for sale. 【High-Performance Shaft】 Fujikura's Speeder 661 Evolution VII is a high-performance golf shaft that utilizes metal composite technology. It has high flexibility and improves swing stability. 【Flex S】 Flex S is ideal for golfers with fast swing speeds, maximizing the distance of the ball. It is especially recommended for those who want to utilize their power. 【PING Compatible】 Compatible with PING clubs, allowing for easy installation. You can improve your performance by selecting the optimal shaft for your club. - Model: Speeder 661 Evolution VII - Flex: FLEX S Compatible with G410 and later models. Thank you for viewing.