This is a TENSEI BLUE TM50 S-flex shaft that was inserted in a SIM2MAX driver. It has a TaylorMade Certified seal. Please check the photos. - Grip: TaylorMade Genuine - Flex: S Mitsubishi Chemical x TaylorMade Joint Development - A classic shaft emphasizing stability ✔️ "All-around type" that makes it easy to balance distance and direction ✔️ Easy to suit a wide range of golfers with its uncharacteristic behavior ✔️ Peace of mind and ease of use unique to genuine shafts ✔️ A mid-kick shaft that is easy to swing through and is ideal for those seeking stability Thank you for viewing.