0.75mm dark red polycarbonate lens Eye protection glass Excellent optical performance&CE Material:Pvc,Abs ... vacuum coating of metallic oxides are produced in shades number 8-15.Welding circles filters we have delivered usually in diameter ... 1mm ,1.5mm ,2mm, 3mm2. Color: Clear, Black, Green, Gold, Silver etc.3. Normal size: 51*108mm, 30*110mm, 30*110mm ... 166 and EN 169. 1.5mm Dark red polycarbonate lens