Stamp and colors will vary.
The F7 is a medium speed, under stable fairway driver with substantial glide. It is a great choice for recreational and beginner players. It is also excellent for turn shots and rollers.
The 400 series is a premium blend of material that is extremely durable. The unique blend of plastics feels as good as it looks and will be able to be broken in over time. This tour quality plastic gives the thrower better grip even when it is wet.