Smatree&reg; Aluminum Arm- Helmet Extension Mount and Surf Mount or Suction Cup,Bike ,Motorcycle Extension Mount Thumbscrew/ Thumb Screw Knob Bolt for GoPro HERO4 HERO3+ Hero3 2 1 Cameras (Golden) Extends any GoPro or GoPole Mount,also used for taking photos yourself Attaches directly to GoPro HERO Cameras, such as Gopro HD Hero2 and Hero3,Hero3+,Hero4 Attaches to helmet mount for 320 POV shots, Attaches two or more cameras by adjusting proper position and angle Can be fixed securely to the gopro mount you imagine,Surf Mount or Suction Cup Mount,bike ,motorcycle and other sport mount,capturing a new perspective 100% Waterproof,compact design.Package: 3 x blue aluminum screws , 5 x mechined aluminum arms