Universal Compatibility: Suitable for various models including Fenix 8 (51mm), Fenix 7X, Fenix 6X, Fenix 7X Pro, Fenix 6X Pro, Fenix 5X, Fenix 5X Plus, Fenix 3, Fenix 3 HR, and Descent MK2/MK 2i/MK 3 51mm/MK 3i 51mm. Leia Mais