The M4 by Prodigy Disc is an understable midrange that provides distance and control. The M4 is the straightest midrange produced by Prodigy Disc and will allow you to throw long turnovers and hyzer flips. 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.