The Lincoln Electric KH618 Lens is a welding helmet replacement lens measuring 4.5x5.25 inches with a shade of #10. Manufactured by Worldwide Sourcing, this unit features fixed shade lenses and comes in a sleek black color. With a weight of 3 pounds, this welding helmet lens is designed to provide protection and visibility during welding tasks. The item is suitable for use in welding and soldering equipment applications within various industrial settings.