Smatree Head Strap/Belt/Harness Mount +Aluminum Thumbscrew for HD Hero3+ Hero3 and Hero2 and the Original Hero cameras (Blue)- Anti-skid Adjustable Head Strap Mount is Compatible with ALL HERO3+, HERO3, HERO2, and HD HERO Original Cameras One Size Fits All adjustable head strap mount allows for use on head and helmets NOT RECOMMENDED for high-impact sports. Only recommended for non-impact activities Made with Nylon Straps and Polycarbonate buckles, and the dark blue line on the belt is anti-skid 1 year warranty ,Package including: 1 x Head Strap(blue), 1 x Aluminum Thumbscrew (Random,blue or silver)