The VIKING FLZ Welding Helmet is designed to work with handheld laser welding systems that when coupled with laser-rated safety glasses, minimizes exposure to laser radiation. The large 5 in. x 4 in. Shade 3 welding lens provides 866-1100 nm (OD 7+) protection that covers most laser welding applications. Outfitted with a lightweight, high strength shell and pivot headgear with four simple adjustments, sweatband and large back pad that provides a custom-fit for all-day comfort.