• Function: Installed on the helmet and add iron, can help the helmet to maintain balance when use using night vision goggles. And it can also be used for battery storage such AA,AAA battery.
• Customizable Weight System: Total system weight 300g, Each of counter balance weight is about 50g and can be customized with less weight.
• Application: Compatible with FAST BJ PJ MH and other FAST tactical helmets, fits most most tactical helmets on the market.
• Easy Installation: Unscrewing/stacking two large screws on the helmet can realize easy installation&remove, not include the helmet and any screws.
• 100% Satisfied Service: Enjoy a worry-free return service within a month. And any questions feel free to contact us, we will be here for you.