Hence , since the USGA maximum volume for driver club heads is 460 cc and the preferred
less , preferably about 2 % or less , or about 1 % or less of the volume of club head 10 .
Since the USGA maximum volume for driver club heads is 460 cc and the preferred
less , preferably about 2 % or less , or about 1 % or less of the volume of club head 10 .