Thank you for viewing. This is a Callaway "EPIC MAX" fairway wood, 7-wood. 7W It features AI-designed "Jailbreak AI Velocity Blades" technology to increase ball speed. It achieves very high forgiveness, making it easy to handle for average golfers. Adjustment function: Equipped with adjustable weights of 2g and 14g, allowing you to tune the launch angle and spin rate.