Lincoln Viking 3350 Daredevil Welding Helmet K3683-4. VARIABLE SHADE/CONTROL - 5-13 Internal. LENS SWITCHING SPEED (SEC) - 1/25,000. The item "Lincoln K3683-4 Viking 3350 Daredevil Welding Helmet" is in sale since Wednesday, February 10, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welding Protective Gear\Welding Helmets".The seller is "colt_m16" and is located in Wooster, Ohio. This item can be shipped to United States.