Underwater Camera Wrist Mount for GoPro with 360&deg; Swivel with High Torque Thumbscrew and 12.5" Strap Highest Quality - Designed for Scuba Diving and Extreme Action Sports Extra Long 12.5. Camera Mount with Built-in Nut Integrated, No Nut to Lose. Secure Attachment of All Models of GoPro Cameras 360 Degree Swivel of Camera with Stainless Steel Lock-Down Screw Includes High Torque Delrin CQR Coinscrew - Tighten with a Quarter https://youtu.be/q9lzTkHyMRo