Just swap, click and go with interchangable 20 mm wide bands for your compatible watch. Choose leather, metal or silicone to change your watch´s look and feel in a snap. It´s easy to switch, and always secure. No tools required. Specifications:- Length of adjustment band is 110 mm. - Length of buckle band is 84 mm. - Include your watch case size when measuring for fit.Compatible Devices:- Approach® S70 - 42 mm- Descent™ Mk2S- Descent™ Mk3 – 43 mm- Descent™ Mk3i – 43 mm- Epix™ Pro (Gen 2) – Sapphire Edition 42 mm- Epix™ Pro (Gen 2) – Standard Edition 42 mm- Fēnix® 5S- Fēnix® 5S Plus- Fēnix® 6S - Pro and Sapphire Editions- Fēnix® 7S – Standard Edition- Fēnix® 7S Pro – Sapphire Solar Edition- Fēnix® 7S Pro – Solar Edition- Fēnix® 8 – 43 mm, AMOLED- Instinct® 2S - Camo Edition- Instinct® 2S - Standard Edition- Instinct® 2S Solar