The Parweld XR935H Light Reactive Welding Helmet offer's the latest innovative protection for the welder. It is both slim and lightweight in construction. Manufactured from a high impact polyamide nylon material which ensures the helmet provides high levels of comfort and durability. A curved design with a clear spatter shield over the optics provides maximum clarity. The helmet is fully adjustable to suit all head and body types. Features full neck coverage, locking headgear. The auto on, auto darkening, wide view lens switches from light to dark in 1 /30,000th of a second and offers continuous eye protection against UV and IR radiation, even when the lens is in the light state mode. The grinding switch is conveniently located on the outside of the helmet. Conforms to European Standards.