67mm UV filter, NANO-K model, achieving high light transmission. - Brand: K&F CONCEPT - Model Name: NANO-K - Filter Type: UV Filter - Size: 67mm Thank you for viewing. I have opened the package, but I have never used it. The cleaning cloth has also been opened, but it has not been used. It has not been attached to anything. However, please understand that this is a used item as it has been opened. Thank you.