Item Type: 52mm Camera Lens Filters Material: Aluminum alloy, optical glass Gross Weight: 62g / 2.2oz Applicable Models: For HERO 9 Black, 10 Black, 11 Black action camera Package List 1 x Filter Frame 1 x CPL Filter 1 x Hex Wrench 1Applicable Models: This 52mm camera lens filters set is suitable for HERO 9 Black, 10 Black, 11 Black action cameras. Accuracy design, perfect fit. 2CPL Filter: Can effectively eliminate reflected light, improve image clarity and expressiveness, and increase color saturation, used for horizontal shooting. 3UV Filter: The installed UV filter can provide effective dust protection for camera lens, filter and reduce the blue tone caused by UV rays, and improve the picture quality. 4Wide Compatibility: All round 52mm camera lens filters can be mounted on the action camera through our lens filter adapter. 5Quick Installation: With hex wrench, this camera lens filter and adapters are easy to install and disassemble, fast and convenient.