Forney Industries  2 in. H x 4.25 in. W Le *Lens Height: 2 in. *Lens Width: 4.3 in. *Shade Type: Fixed Shade *Style: Glass/Plastic *Product Type: Welding Lens *Shade Number: 9 no. *Weight: 0.05 lb. *Color: Black *Number in Package: 1 pc. *Sensor Bar: No *Fully Adjustable: Yes *Impact Resistant: Yes *UV Protection: Yes *Packaging Type: Bagged *ANSI Certified: Yes *Spatter Shield: Yes *Gold coated glass welding filter lens * For prolonged periods of welding and/or to see true flame arc and puddle color * Gold coating reflects 90% of radiated heat for cooler operation and less eye fatigue* Provides UV/IR protection* Meets ANSI Z87.1 safety standards * Fits Forney 55663 (Slim Line), 55666 (Bandit I), and 55680 (Super Slim) welding helmets and most brand name helmets using a 2" (50.8mm) x 4-1/4" (107.95mm) window opening