Features Protection Function: Suitable for welding masks on black glass lenses which is eye-protecting and anti-ultraviolet. Wide Application: Suitable for protective welding, arc welding, plasma cutting and other operators. Compatible: Available in five diopters for choices: 1.0, 1.5, 2.0, 2.5, 3.0. Please check the size and compatibility carefully before buying, is an excellent after-sales substitute for the old model. Perfect Replacement: Professional processing and reasonable design, perfect replacement for the old one, is easy to be install, don't need to use much time on installation. Main Function: The magnifier lens has a significant effect on the prevention of electric arc and glass turbidity. Specification: Item Type: Welding Glass Magnifier LensMaterial: Glass Diopter(optional): 1.0, 1.5, 2.0, 2.5, 3.0 Lens Size: Approx. 5 x 4cm / 2 x 1.6in Thickness: Approx. 3mm / 0.1in Box Size: Approx. 11 x 5.5 x 1.5cm / 4.3 x 2.2 x 0.6in Package List: 1 x Welding Glass Magnifier Lens Package List 1 x Welding Glass Magnifier Lens