Protective face shield for welder NN8 Steel Bars

The body is made of heat-resistant Termotrek material; the size of the visible area is 100x83 mm; a folding block of the light filter, which is fixed in two positions "up-down", a light filter made of mineral glass with a darkening degree of 11, protected from the outside by polycarbonate glass, from the inside by a polycarbonate substrate with a DIAMOND coating; RAPID head mount with smooth adjustment; soft obturator. Replacement of the cover glass, light filter and substrate does not require tools.