GP10: i.Trek 2 x Flat and 2 x Curved adhesive mounts for Gopro Hero HD 1 2 3 3+ 4 Camera Attach GoPro HERO camera to flat and curved surfaces with 3M brand waterproof adhesive mounts 3M adhesive can be removed when heat (from a hairdryer) is applied i.Trek flat and curved suface mount is compatible with GoPro HD Hero 1 2 3 3+ 4 Black Silver White Edition The 3M manufactured adhesive is the strongest they make ideal for mounting on helmets, skateboards, cars, or other applicable surfaces