Callaway / Callaway BIG BERTHA / Big Bertha Irons Shaft: Genuine SPEEDER NX for CW Flex: R 6-9, PW, total 5 clubs Used for 3 rounds. There are some scratches, but the condition is generally good. These are strong-lofted irons that make the ball go up easily! Used item, so no returns or refunds. Flex: R (M-37/R-1) Dexterity: Right-handed