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×