NWT K&F Concept 77mm Variable ND Lens Filter Cap TPU Material B Series

K&F Concept 77mm Variable ND Lens Filter Cap TPU Material -New in package! -77mm lens cap -“This filter cap ONLY suitable for variable nd filter , couldn't be used on cpl+nd multifuctional filter, uv filter, cpl filter, fixed nd filter, black diffusion filter, magnetic filter and lens directly, before order the filter cap , please confirm your variable nd fitler size, 77mm filter cap only fit 77mm variable nd.” -from the original listing on Amazon.