The Optrel Clearmaxx grinding visor & hard hat is supplied with a clear polycarbonate lens which not only offers the wearer full face protection, but also a 180° panoramic view of the working area. The hard hat on Clearmaxx grinding visor & hard hat is an industrial safety helmet which meets the EN 397 standards. It is designed to protect the wearer during cutting & grinding applications whilst working on site, the hard hat can be easily removed during applications when it may no longer be required. Optrel Clearmaxx Grind Visor & Hard Hat