Premium PC Material Protective Covers: The welding lens protective covers are made of high quality polycarbonate, high clarity, good toughness, lightweight material, durable, ensures the auto darkening welding helmet work stably, while extending the service life of the welding lens, improving the welder's work efficiency and quality. Protective Covers Size: Our welding replacement lens covers fit most welding helmets, 7 outer covers are 4.55 *3.8 (115.5*96.5*1.0mm), 3 inner covers are 3.96 *1.88 (100.7*47.7*0.8mm), for JustHot G-Series Welding Helmet. Please confirm the size before purchase. Transparent Cover Lens Function: The clear protective sheet is mainly used on welding helmets to protect the auto-darkening lens from being damaged by the splash of welding slag, maintaining a clear view and making the helmet's service life more durable. Easy Replacement: Welding helmet protective lenses are consumable, need to be replaced in time. There are 7pcs outer lens cover and 3pcs inner in the set, which can meet your needs. Before installing it on the helmet, tear off the protective film from both sides of the surface of the protective sheet. JustHot Welding Product: JustHot products are strictly inspected for quality before they are sold to ensure that every customer receives a product that works properly. Color For G-series Protective Cover Style JH-G-Series Item Weight 3.2 ounces Manufacturer JustHot Power Source solar_powered Item model number JH-BJSBHP Batteries Included No Batteries Required No Package Dimensions 7.01 x 6.81 x 0.61 inches Included Components Clear Outer Protective Cover