Callaway Great Big Bertha Graphite Iron set (6-P) Flex & Shaft:UST Mamiya Helium Nanocore 60 R adjustable strap

adjustable strap

These grips have a standard tread pattern

better distance

instilling a ton of confidence

the near-face balanced Studio Style Fastback delivers soft sound and feel with its Studio Carbon Steel (SCS) face insert and chain-link face milling technology

Callaway Great Big Bertha Graphite Iron set (6-P) Flex & Shaft:UST Mamiya Helium Nanocore 60 R adjustable strapFeatures Lightweight Power from a Forged Titanium Face and CP Titanium Body By leveraging materials that are typically reserved for drivers, weve generated up to 96g of discretionary weight, and precisely repositioned this saved weight to increase launch and forgiveness. The Commercially Pure Grade (CP) Titanium body flexes more at impact than traditional steel and works together with the thinner face to transfer more energy to the ball. Speed and