●Unmatched Optics: Each of Freewell 4K Series optics are handcrafted precisely made compatible with Hero11, Hero10, Hero9 Black ●GimbalSafe: Freewell GimbalSafe technology ensures each filter frame goes through a rigorous lightweight test putting no negative effect even when you use our filters on drones & gimbal. ●What is included: Just as the name suggests this filter kit takes care of your need during the standard day from cloudy to normal sunny day consist of ND8, ND16, ND32, PL.