Neewer&reg; Black Anodized Aluminium 58MM Filter Adapter Ring for GoPro Hero 3, Hexagonal Screwdriver and Mounting Screws Included ONLY works with GoPro Hero 3 Allows you to attach 58mm filters and lens Made of lightweight and durable aluminum alloy Comes with a hexagonal screwdriver for easy installation NOTE: GoPro Camera, housing and lens NOT INCLUDED