Here is what Prodigy has to say about the PA-3:
 
The PA-3 is Prodigy Disc's top selling putt & approach disc. Aim straight at the basket and nail your putts and approaches with a laser straight, stable flight path. The PA-3 features a beaded rim, and is a favorite for disc golfers of all skill levels.
 
Good for:  Circle 1 & 2 Putting, Control backhand drives, Upshots