| F (45 Metres per Second Small Object Impact Rating)Frame standards are typically made up of two ratings, one of which is the Strength Rating, referring to how resistant the frame is to impact with small objects. This particular range includes our protective eyewear that has been rated F (45 Metres per Second Small Object Impact Rating), which means that these glasses, goggles and face shields can sustain the impact of small objects flying with the speed of 45 metres per second. If you have any questions or need a product recommendation, do not hesitate to contact our customer support team on 020 7501 0594 or via our Contact Us page.
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