The band compatible with Garmin Fenix 8 (51mm), Fenix 7X Pro, Fenix 7X, Fenix 7X Solar, Fenix 7X Sapphire Solar, Enduro 2, Instinct 2X, quatix 7X, tactix 7, tactix 7 Pro, epix Pro (Gen 2 51mm), Enduro 3 The 26mm replaceable watch band compatible with Garmin Fenix 5X, Fenix 5X Plus, Fenix 3, Fenix 3 HR, Fenix 3 Sapphire, D2 Delta PX, D2 Bravo, D2 Charlie, Descent Mk1, Foretrek 601, Foretrek 701 Ballistic Edition, Quatix 3, Tactix Bravo, Tactix Charlie, Fenix 6X, Fenix 6X Pro and Sapphire Editions, Tactix Delta, Descent Mk2, Descent Mk2i, Descent Mk3i (51mm) Comfortable fits 5.7"-8.1" (145mm-210mm) wrist, very easy to adjusting the length by the tool provided Material: Titanium Metal 95% , Stainless Steel 5% Band Length: 180mm,Weight: 71g