Smatree 3pcs Long Aluminum ThumbScrew Set + Wrench for Gopro Session, Hero 7,6, 5, 4, 3+, 3, 2, 1,GoPro  hero 2018(Blue) Perfect substitute the plastic thumbscrew for GoPro Cameras. Aluminum Thumbscrew, high-Strength & precision CNC machining aluminum alloy screws Help you to easily tighten and loosen screws between camera mount and camera, and a O-ring helps to prevent camera from abrasion yet not essential for every buyer, so put it away when you don't need it. Color:blue screw+ blue wrench, make your camera look cool and awesome. The length of Thumbscrew is about 2.2 inches. The combination of screw+wrench can tighten or loosen the screw easier