variable control and grinding mode Auto darkening welding helmet with variable control and grinding mode. Colour: Blue Viewing window area: 92 x 42 mm Auto-darkening filter dimension: 110 x 90 x 9 mm Ultraviolet ray protection level: Up to DIN 15 at all time Infrared ray protection level: Up to DIN 15 at all time Power On/Off: Fully automatic Mode: Weld/Grind Dark shade: DIN 9-13 Light shade: DIN 4 Switching time: 1/25,000 s... Auto darkening welding helmet with variable control and grinding mode. Welding Helmet Auto Darken Lens Replacement Grinding Mask Auto Darkening Welders Helmet Mask Welding Grinding Blue & 5 X Lens Cover Welding Helmet With Spare Lenses Auto darkening welding helmet Auto darkening welding helmet with variable control and grinding mode. ... -Welding lens is the perfect replacement clear lens for most standard welding masks Used to protect the darkening element Replacement transparent protective lens cover for your auto darkening welding helmetSPECIFICATIONS Plastic lens 1mm thickness Clip attachment type 5 Spare Lens 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 glass lenses.