Helmet super pleasant to use, it holds very well on the head with its wheels that allow a precise and fast adjustment for each head. Refilled with sunlight, very convenient (no recharger required) Welding helmets are designed to protect the eyes and face against sparks, splashes and harmful rays (UV / IR) during the welding process. Outside shadow and adjustable sensitivity can make operators more convenient when using. If you have any questions or questions, please feel free to contact us, we will reply you within 24 hours. › See more product details