Professional welding lenses for commercial or occasional use Welding lens is the perfect replacement clear lens for most standard welding masks Suitable for the most standard flip up welding masks or reactor light masks Anti splatter lens Plastic lenses so not only will spatter not stick to it but it is a little bit more robust if dropped unlike the glass lenses This listing is for a pack of 1 lens With the plastic lens it can be cut down to smaller sizes if needed to Used to protect the darkening element Replacement transparent protective lens cover for your auto darkening welding helmet The clear lens has a protective strip over either side to prevent damage or scratching to the item before using SPECIFICATIONS • Plastic lens • Dimensions 110mm x 90mm or 4-1/4" x 3-1/2" • Thickness of the lens - 1mm • Pack size - 1