This extension arm is lightweight, which is very easy for you to carry.It can be used as a selfie stick and a helmet extension arm to meet shooting needs.Made of carbon fiber and aluminum alloy high quality material, it is durable, waterproof and comfortable to grip.The length of this product is 16.5cm.It is suitable for GoPro9/8/7/6/5/4/3/Max, for GoPro Insta360 Ooner, for DJI OMO Action, for Xiaomi Antshares, for Micro Vision EKEN/Akasoek70004K and other photography equipment accessories. And it is suitable for helmet shooting, bicycle shooting, etc.Item Name: Extension ArmMaterial:Aluminum Alloy,Carbon FiberCompatible Models: for GoPro9/8/7/6/5/4/3/Max, for GoPro Insta360 Ooner, for DJI OMO Action, for Xiaomi Antshares, for Micro Vision EKEN/Akasoek70004K and Other Photography Equipment AccessoriesSize:16.5cmx1.7cmx1.7cm/6.5inx0.67inx0.67inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Extension Arm (Others Not Included)