An indirect ventilated goggle ideal to be used with power tools, particularly angle grinders & high powered drills. These goggles will withstand medium energy high speed impacts up to 120m / s (270mph) Large size indirect ventilation Protection from liquid droplets or splashes, large dust particles & molten metals Can be worn over spectacles Conforms to EN166: 1B (3. 4. 9) Soft vinyl flanges around the goggles ensure comfort & conformity to facial contour Tough polycarbonate clear anti mist, UV resistant lens.