This is a set of four K&F Concept ND filters specifically for the DJI Osmo Action 4, purchased in January 2025. Only the ND16 filter has been used, and it is in excellent condition with no scratches or dirt. The other filters, ND8, ND32, and ND64, are unused. The original box has been discarded, but the filters will be shipped in a dedicated case. *Compatible with DJI Osmo Action 5 as well. [Contents] ・ND8 (Unused) ・ND16 (Excellent condition, used a few times) ・ND32 (Unused) ・ND64 (Unused) ・Storage case (no box)