Full featured welding helmet that gives instant eye protection when the arc is struck. Provides a clear view when not welding but instantly changes to the required amount of shade or filter when arc is struck. The large view screen (110 x 90mm) impact resistant welding helmet with grinding mode. External sensitivity control provides clear vision both prior to and during welding, whilst the high performance screen filters protect against UV and IR. Adjustable headband provides a comfortable no - slip fit while leaving the users hands completely free for working. Suitable for all kinds of welding types, including ARC, MIG and low amperage TIG.1 x Spare Lens for 19730