Fotodiox GoTough Grip Metal Camera Light Bracket with Action Grip for Gopro Hero2, Hero3/3+ and Hero4 Cameras and All GoPro Adapter Mounts One-handed compact design with two vertically stacked mounts. One standard 1/4-20" Screw for camera, One for a hotshot accessory (microphone, light, etc.) All-metal construction with foam Handgrip 1/4-20" Female tripod thread on the bottom to connect to monopod, tripod, or to attach more accessories 24-Month Manufacturer