The KOBALT Welding Helmet Inner Replacement Lenses are 4-3/16" x 2-3/5" in size and come in a lot of 9. These lenses are designed for welding helmets and are manufactured by the brand Kobalt. Made in China, these lenses are ideal for protecting the eyes and face from sparks, flames, and ultraviolet radiation during welding and soldering tasks. This product is essential for ensuring safety and visibility while working with welding equipment in various industrial settings.