Welding Lens(NO.9 toNO.13) 1)Black welding helmets lens 2)CE approval 3)Experenced and responsible factory Welding Lens(NO.9 toNO.13)1.smooth surface ,no line ,prevent you from harmful ridiation,eye-protection2.super quality with compeitive price 3.serve other size of glass (according to your requiments)4. CE approval Welding Lens(NO.9 toNO.13)