Haida ND32000 Optical Glass Neutral Density Filter 100mm Square 15 Stop fits Cokin Z ND4.5 100 ND32000 / ND4.5 / 32000X / 15 F Stops 100mm x 100mm Optical Glass Compare to Lee Super Stopper Includes 2 x Self Adhesive Foam Gaskets & Metal Tin / Case