Planet Full Face Visor is ideally suited for woodturners and DIYers. It protects your eyes and face from woodshavings, dust, and low energy objects. Simply tighten the adjuster on the headband to get the best fit. Spare visors are also available (FV424V). The optical class Lens visor is made from clear acetate. It measure 320 x 190 mm with a nominal thickness of 1.15 mm. The visor is anti-fog (N). Recommended for protection from impact by low-energy, high-velocity particles. Full Face Yellow Visor Complete: FV424/SS/Y Visor Only: FV424V Yellow Browguard Only: FV424YV