Every club sold by Mike’s Golf Outlet is guaranteed to be 100% authentic. Our clubs are inspected for Length, Matching Flex, Lie Angle, Matching Serial #’s, Possible Defects and more. We strive to ensure that we are giving our customers the best selection in quality clubs and equipment.Every club sold by Mike’s Golf Outlet is guaranteed to be 100% authentic. Our clubs are inspected for Length, Matching Flex, Lie Angle, Matching Serial #’s, Possible Defects and more. We strive to ensure that we are giving our customers the best selection in quality clubs and equipment.