For Gopro Mount Motorcycle Cycling Helmet Extension Arm with BuckleMounts Adhesive For Gopro Hero 3 3+ 2 Accessories Black Edition package: 1 x Surface Quick-Release Buckle with 3M VHB Adhesive 1 x Curved Adhesive Mount 1 x Extension Arm (Note:The Bolt Nut，Screw and Helmet are not included. ) Description: 1.Stong nylon made 2.Come as arm ， QD Buckle ， helmet use curved surface and 3M VHB Adhesive Sticky 3.Brand: TMC Sport Gear 4.Fit For gopro Hero 2 and Hero 3