Description: Attach your Gopro camera to the side of safe cap . 3-way pivot adjustability makes aiming easy Forward- or rear-facing shot selection, easily mounts to smooth surfaced . Easy to use, these double-sided adhesive mounts can be applied to almost any curved surface, once finished, it can be removed simply with heat 100% brand new and high quality Specification: Compatibility: For Gopro Hero 4 3+ 3 2 1 Thumb screw size: 53mm, 42mm Main: ABS+ Metal Color: Black Package Includes: 2x Straight joint (1 long & 1 short) 1x Basic buckle 1x Adhesive Sticker ( 1 long & 2 short ) 3x Thumb screw