Easily Tighten Your GoPro Thumb Screws: The Tool makes it easy to tighten your GoPro thumb screws more securely than by hand. Secures your camera: Tighter thumb screws help prevent the camera from tilting up or down during high-speed, high vibration activities such as surfing and mountain biking. Increases Stability: Ideal for tigtnening your thumb screws to achieve greater stability when mounting the camera with multiple extension arms. Perfect for Frigid Temps + Frozen Fingers: Easily adjust thumb screws in cold conditions despite numb fingers.