The Scotty Action Camera Mount is compatible with GoPro and other action cameras.• Dual ball joints provide infinite flexibility for positioning• Easy Grip-T knob• Post mount fits all Scotty post mounting options• Track mount option included• Rail mount fits 7/8" - 1-1/4" rails Easy Grip-T knob Post mount fits all Scotty post mounting options Rail mount fits 7/8" to 1-1/4" rails | Action Camera Mount 2.0 with Post, Track, and Rail Mounts