Volt-Variable-Electronic-Welding-Helmet-Bolle-Safety-VOLTV-p-The-Boll-eacute-Volt-Welding-Helmet-is-suitable-for-welding-MIG-MAG-TIG-&-grinding-It-is-fitted-with-a-variable-shade-filter-4-9-13-&-two-independent-sensors-with-a-0-10-millisecond-reaction-time-for-optimal-safety-For-comfort-the-helmet-features-an-adjustable-5-position-headb&-p-p-Conforms-to-EN-166-175-379-1BT-p-Bolle-Safety-VOLTV-Volt-Variable-Electronic-Welding-Helmet