Sell Aluminium Extension Arm Mount Helmet for Gopro Hero 2 3 3+ 4 SJ4000 best price

100% Brand New Use this Aluminium Extension Arm to catch new fixed extended perspective videos and photos. Fit it between your GoPro camera and helmet mount, side mount or hand grip and take your shots to the next level Made of CNC machined Aluminium Size: Approx. 16.3cm x 1.6cm x 1cm/ 6.4" x 0.6" x 0.4" Colour:Red,Black,Sier (Sent by Random) Material: Aluminium Package Included: 1 x Aluminium Extension Arm Metal Pole Mount Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.