The 3M Speedglas 9002X/9000XF Welding Helmet Inside Protection Plate 5 Pcs is a set of high-quality polycarbonate protection plates designed specifically for welding helmets. These plates feature an auto darkening filter and variable shade lenses, providing advanced protection for welders. Manufactured in the United States, these plates are powered by batteries and come in a quantity of 5, ensuring long-lasting use for welding professionals. The 3M brand is known for its reliability and durability in the welding industry, making these protection plates a trusted choice for those working in welding and soldering environments.