Description: Protection eyes from dust and small dinas for maximum protection Very slim when unfolded Easy to remove nose bridge Can obsord all light waves under 500urn, transmissivity of visible spectra is less than 1% Mechanical work: grinding, Drilling and milling Suitable for working in enclosed spaces Specification: Material: Polycarbonate Color: Yellow, Light Green Size: Approx. 155x 40x 50mm/ 6.10x 1.57x 1.97inch Package Includes: 1 Piece Welder Glasses Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement