High-performance ND filter and graduated filter set made by NISI. - Brand: NISI - Model Name: EXPLORER Nano IR ND64 100x100mm 6 Stops - Model Name: Soft Nano IR GND64 100x150mm - Included: Filter case - Filter Size: 100x100mm - Filter Size: 100x150mm Thank you for viewing. There is a small chip in the upper left corner of the third photo. Otherwise, there are no scratches. I am selling these because I rarely use them. It is also possible to sell the square filters only. I am open to price negotiations.