SAFETYarc Lens Diopter Clear Size: 51 x 108mm

Magnifying Lens Diopter Features and Benefits: These lenses measure - 108mm x 50mm. They are available in strengths 1.00, 1.25, 1.50, 1.75, 2.00 and 2.50 diopter. These lenses will fit into many helmets, some have clips built in to the helmet, like the WELDarc 4. Others require a frame to fit the lens into. Where no provision is made to fix the lens in the helmet a simple tape can be used to secure the lens in place.