A set includes all three force bands.
The 30lb Starter is suggested for first time users as it can sufficiently handle most golfers and can also be fine tune adjusted by turning the belt. Also, ideal for pitch and half swings.
The 40lb Medium is suggested for users needing more strength to tame a more stubborn trail arm. Also, ideal for compacting and structuring backswings, and full swings.
The 50lb Heavy is suggested for very strong users who overpower the Medium. Ideal for full swings.