K&F Concept 77mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops)

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NEEWER 77MM Variable Nd Digital Camera Filter -USED Excellent

Gobe Variable ND Filter NDX 62mm 2-400 X000F2QIDJ Can Cleaning Cloth Excellent!!

ZOMEI ND 1000 (W) 77mm filter with case

Kalt 77mm spot-soft focus filter with plastic case.

Freewell Standard Day Variable Neutral Density Filter ND (2 to 5-Stop) 77mm

Nikon Nikkor Filter, 52MM ND 4X Neutral Density, With Plastic Case