Angles Adjustable filters are adjustable. You can rotate the black circle to get a satisfied angle for your requirements on polarizing.Professional Optical Glass Lenses With excellent grinding process, good physical and chemical properties.Make your pictures more professional.Multi-layer Coating Films & High Transmittance Restore of lens and capture clear imageWater-proof & Oil-proof & Scratch-proof Effectively protect camera lensFilter Model:ND8/ND16/ND32/ND64/UV/CPLApplicable Models:for Action 5 Pro/4/3Colour:As ShownMaterial:Optical Glass + Aluminum AlloyPackage Contents:6 x Filters1 x Mirror clothOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.