Donnay Formula 100 Lite Hexa 2018 is a tennis racket with head size 100in² and a string pattern 16x19. The declared unstrung frame weight is 275g, the balance is equal to 335mm and the stiffness is 57 RA.
Donnay Pro One 97 16/19 Penta 2018 is a tennis racket with head size 97in² and a string pattern 16x19. The declared unstrung frame weight is 305g, the balance is equal to 315mm and the stiffness is 57 RA.
Donnay Formula 100 Lite Penta 2016 is a tennis racket with head size 100in² and a string pattern 16x19. The declared unstrung frame weight is 275g, the balance is equal to 335mm and the stiffness is 60 RA.
Donnay Pro One 102 Tricore 2016 is a tennis racket with head size 102in² and a string pattern 16x19. The declared unstrung frame weight is 295g, the balance is equal to 320mm and the stiffness is 59 RA.
