Z Pro Series ND Graduated Filter Kit,  (Black/Grey) Contains Cokin Z-Pro holder with Z306 Filter Wallet plus 3 filters Includes a Z121L Graduated Light ND2 Grey G2 Filter Includes a Z121M Graduated Medium ND4 Grey G2 Filter Includes a Z121S Graduated Soft ND8 Grey G2 Filter This kit does not contain a adapter ring