This brand new product is one of the coolest innovations for the GoPro Hero3 and Hero4 cameras. It mounts directly over the camera's housing, and provides internal threads for installation of a 58mm filter in front of the camera, effortlessly! Within seconds, you can install/swap any color filter like red, magenta, polarizer, neutral density, etc. No screws to remove, simply snap the adapter in place by pressure. It fits the contour of the housing perfectly. We carry a wide selection of 58mm filters that will fit directly on this adpater, so your GoPro camera can become the ultimate tool for the gorilla filmmaker in you! Snap-on design, precision fit with the GoPro housing. Tight fit means the filter will not fall out by itself. Fits all Hero3/3+/4 models (choose your type) CNC machined from high quality aluminum, black anodized. Compatible with all 58mm filters on the market. Adapter only, filters are not included.