HANS Posts, Pro Version, professionally installed in your new Black Armor Helmet.
Manufactured by HANS, labeled FIA8858.2010. Anodized aluminum.
Note: Washers required for Aero Pro (SA2010) model, and any other helmet that does not come pre-installed with anchor bases. Not required for FIA8858, FIA8860, FIA8859, SA2015 models, and EA2016 which have the washer pre-installed.