12 Jackson Safety 187-S Mounting Blade Kit / Case; BlueSecurely attaches your welding helmet to a safety capPositive locking device keeps the helmet in any positionCan be used with Jackson Safety HLX Series, HSL Series and Nitro Welding Helmets (sold separately)Can be used with Jackson Safety SC6, Sentry, Charger and SC16 Hard Hats (sold separately)