This product is an essential for connecting GoPro and other action cameras to various mounts. It includes a set of two brand new mounting screws and is compatible with a variety of cameras, including the GoPro HERO series, Shimano CM-1000, DJI Osmo Action, and SJCAM SJ4000. The screw knobs are made of easy-to-use plastic. ・Compatible Models: GoPro HERO series, Shimano CM-1000, DJI Osmo Action, SJCAM SJ4000, and any other camera that fits the specifications ・Material: Plastic for the knobs ・Condition: Brand new