Made by high quality Nylon FiberWorks with FAST Helmet railsUse it to mount lights and cameras to the helmetCan quickly attaches or releases from the rail systemSpecifications:Material: Nylon FiberWeight: 22gColor: BlackTube Diameter: 21mmhelmet mount adapter��flashlight mount��Flashlight Mount Holder��Flashlight Laser mount��Tactical Airsoft Fast Helmet��21mm��camera for helmet��Head-mounted cameras��Rail System��nylon fiber��