Norotos INVG Helmet Mount PVS-15/18/21 Tan One Size. Maintaining Norotos' standard for engineering refinement in creating a night vision helmet mount enhanced in its durable longevity the INVG exhibits a platform offering the mechanical advantage of optimized safety compatible with DOVETAIL style NVGs. The safety infused features of the INVG begin with six 180-degree Force-to-Overcome Rotational Stow positions ideal for task specific operations that demand greater flexibility than typical top stowage. Right eye/left eye viewing and stowage further enhances securitypermitting continual knowledge of potential hazards. Force-to-Overcome Sweep-Away fortifies the positive protection features of the INVG through absorbing lateral force impacts to googles disengaging during side impact eventssweeping-away." Safe and easy tactile differential further augment comfortable wear through Vertical Tilt and Fore/Aft-Eye-Relief adjustments. Combining the flexibility of unique stow positioning with the rugged reliability of Norotos Anti-Wobble stability secures the ideal helmet mount for task specific operations when enhanced safety features are mandated. All while maintaining the Norotos standard for rugged long-lasting durability with wobble preventing stability. Specifications for Norotos INVG Helmet Mount for PVS-15/18/21: Manufacturer: Norotos Additional Features: For PVS-15/18/21 Country of Origin: USA Features of Norotos INVG Helmet Mount for PVS-15/18/21 Ergonomically Optimized Vertical Tilt and Fore/Aft-Eye-Relief Adjustment Levers for a custom-fit user experience Helmet Mount Release Button allows quick one-handed release from Helmet Bracket or Shroud Six Position Force-to-Overcome Stow provides multiple stowage options Force-to-Overcome Sweep-Away absorbs lateral force impacts to NVG disengaging during side impact event Minimized Accidental Impact of NVG compared to conventional top stowage positions Dovetail Style NVG Compatible for PVS-7A/7C PVS-15 PVS-18 PVS-21 & PVS-31 Durable Helmet Mount Surface Finishes withstand extreme environmental and field conditions Safe & Easy Operational Tactile Differentials on operating levers knobs and buttons Package Contents: Norotos INVG Helmet Mount for PVS-15/18/21 Norotos 1820010TAN-2: INVG Helmet Mount PVS-15/18/21 Tan One Size