Extension Arm Mount for Gopro, Aluminum Alloy Helmet Stick Kit with a Standard 1/4 Hole Metal Pole Accessories Insta360 One X3/X2/X/R, Go 2 and DJI Osmo GoPro Hero

【Helmet Extension Arm Kit】3 x aluminum alloy extension arms of different lengths (8.7”/6.3”/3.9”) + 3 x aluminum alloy long screws + 3 x aluminum alloy short screws., 【1/4” Expansion Hole】The Metal Pole Mount Helmet Stick with standard 1/4 “ expansion hole, both ends of the extension arm have double-leaf clamping slots and three-leaf clamping slots, can be transferred to a variety of equipment., 【Hollow Design】This helmet mount for gopro possible to greatly reduce wind resistance during riding and improve the stability of shooting., 【Fine Production】The extension rod for gopro action camera is made of aluminum alloy, which is light and stable. CNC processing, oxidation sandblasting the grip more comfortable when in use., 【Multi-Purpose】It is widely applicable to the skiing, skateboarding, cycling, motorcycle, skydiving, etc. It is the best companion for outdoor activity enthusiasts. Extension Arm Mount Suitable for GoPro Hero 6/7/8/9/10/max, for Insta360 One X3 X2 X