Prince O3 LEGACY 120 2019 is a tennis racket with head size 120in² and a string pattern 16x19. The declared unstrung frame weight is 260g, the balance is equal to 355mm and the stiffness is 74 RA.
Yonex ASTREL 115 2018 is a tennis racket with head size 115in² and a string pattern 16x17. The declared unstrung frame weight is 260g, the balance is equal to 350mm and the stiffness is 66 RA.
YPF Project Fusion 100 Custom 2025 is a tennis racket with head size 100in² and a string pattern 16x20.
Power-rated rackets are built to add free energy to the shot with less swing effort, typically through a stiffer frame (higher RA) and a balance tuned to generate pace. They suit players with shorter, more compact swings who need extra help generating pace.