About this item: ● 5pc/pack or 100pc/pack transparent cover lens for welding helmet. ● In order to make your helmet more suitable for welding, the lens cap should be replaced when necessary. ● Before installing it on the helmet, be sure to tear off the plastic caps on both sides of the surface. ● OEM Size:different size choice for you

Outer cover	size
FPL-01	109.6X91X1MM
FPL-02	113X89X1MM
FPL-03	108.3X89.5X1MM
FPL-04	116X89X1MM
FPL-05	114.2X90X1MM
FPL-06	115.8X96X1MM
FPL-07	117X104X1MM
FPL-08	113.2X93X1MM
FPL-09	122X143.4X1MM

Inner cover	size
IPL-01	108X51X1MM
IPL-03	94.5X44.5X1MM
IPL-04	102.3X50.3X1MM
IPL-05	101.6X53X1.0MM
IPL-06	103X52.6X1MM
IPL-07	102.8X64.8X1MM
IPL-08	107.2X66.2X1MM
IPL-09	104.7X93.9X1MM

Q&A: Q:what is the lens thickness? A: 1MM, Much thicker than regular PC lens Q:Are these fireproof? A:They're not fireproof, but it takes a lot of heat close to the lens before it'll melt Q:will these fit other brand helmet ? A:You can check the size of the lens and if the size is OK, then fit different brand welding helmet or welding hood.