The 20mm replaceable watch band compatible with Fenix 8(43mm), Fenix 7S Pro, Fenix 7S, Fenix 6S Pro, Fenix 6S, Fenix 5S, Fenix 5S Plus, D2 Delta S, Descent Mk2S, Descent Mk3 (43 mm), Descent Mk3i (43 mm), epix Pro (Gen 2 42mm), Instinct 2S Titanium links and buckle: this band takes advantage of the natural properties of titanium, offering a smooth and lightweight structure Fits 5.51"-8.45" (140mm-215mm) wrist