Smatree Aluminum Thumbscrew/Thumb Screw Set for GoPro Hero4 Hero3+ Hero3 Hero2 Hero cameras - 3pcs Aluminum Bolt Nut Screw Knob - Pink Billet Aluminum Thumbscrew, High quality stainless Steel Acorn Nut Direct replacement for GoPro Cameras ( Gopro HD Hero2 & Hero3,Hero3+,Hero4 ) Help you to easily tighten and loosen screws between Gopro mount and camera, and a O-ring helps to prevent camera from abrasion yet not essential for every buyer Color: Pink. Long Thumbscrew is about 2.2 inch. Short Thumbscrew is about 1.7 inch Package: 1 x Long Thumbscrew with Steel Acorn Nut, 2 X Short Thumbscrew with Steel Acorn Nut