Skydiving Helmet Fixed Mount Holder Adapter for Gopro 7 6 5 4 Action Cameras

Feature: 1.Made of quality aluminium alloy material, anti deformation, anti rust, sturdy. 2.Can be installed on the helmet for skydiving or outdoor cycling usage. 3.Lightweight, easy to install and use. Fixed by screws, more firm. 4.Fine workmanship, smooth surface, will not scratch your camera. 5.Suitable for Gopro 7, 6, 5, 4, for SJCAM, for XiaoYi, for DJI OSMO action cameras. Specifications: Material: aluminium alloy Fixed mount holder size(length*width): Approx. 39*20mm 1.5*0.8in Two screws distance: Approx. 25mm 1in Screw length: Approx. 18mm 0.7in Packing List: 1*Helmet Fixed Mount Holder 2*Screw