Callaway BIG BERTHA Irons Shaft: Genuine SPEEDER NX for CW Flex R 6-9, PW - 5 clubs total Used for 3 rounds. There are scuffs and scratches, but the condition is generally good. These are strong-lofted irons that hit the ball well! As this is a used item, please no claims or returns. Flex: R (M-37/R-1) Handedness: Right