Feature 1、APPLICABLE MODEL: Perfectly adapts to for Pocket 3, multi layer coating, waterproof, anti scratch, anti dust, anti oil, protect your lens from damage. Meet the dual needs of ND filter and CPL filter, you can choose from a variety of filter effects when shooting, including ND8, 16, 32, 64, 256 and CPL filters. 2、OPTICAL GLASS: Each filter is made of high definition optical glass, which has no effect on the image quality, and has been ground and polished many times to form a low refractive index to ensure the reproduction of the true color of the image for color accurate photo shooting. 3、ALUMINUM FRAME: The aluminum frame is laser engraved and features a matte black finish to prevent light leakage or ghosting. Make sure that each filter is rigorously tested and will not add extra burden or interference to your ball head. 4、MAGNETIC QUICK REMOVAL: With a magnetic design for quick installation, it can be tightly fixed on the for Pocket 3 and is not easy to come off during the shooting process. 5、FILTER BOX: The filter box is convenient for storage and also protects the filters, no burden to carry and change the desired filters at any time. Item Type: Video Camera CPL ND Filter Set Material: Aluminum, Optical Glass Weight: Approx. 81g / 2.9oz Package List 1 x CPL Filter 1 x ND8 Filter 1 x ND16 Filter 1 x ND32 Filter 1 x ND64 Filter 1 x ND256 Filter 1 x Storage Box 1 x Cleaning Cloth (Color Random)