3M 701190 SL cap shell

3M 701190 SL cap shell
product introduction:
3MTM Speedglas Auto-darkening welding mask is the world’s leading brand. It uses advanced liquid crystal as the shading lens. The detector on the lens detects the generation and disappearance of arc light during welding, and drives the liquid crystal with electricity. The shading and discoloration level achieves the purpose of protecting against harmful light. It is safe and comfortable to wear and free hands, which greatly improves work efficiency. There are a variety of models of dimming screens to choose from, suitable for various welding operations.