PowerBilt Air Force One Players Driver (Men's Right Hand, 9.5 Degrees Loft, Stiff Flex, 90-105 MPH) Powered by pressurized nitrogen, the new air force one driver from PowerBilt is guaranteed And, the new air force one gives you maximum C.O.R., maximum C.T., maximum trampoline effect, and maximum smash factor Cast titanium body with forged titanium face construction Nitrogen charged to 150 PSI Available in face thicknesses of 2.4mm, 2.6mm, or 2.8mm To add 10-to-20 yards to your drive regardless of your swing speed