Standalone welding face shield with built-in ratchet headgear, offering adjustable fit, comfort, and reliable protection for users without a helmet.Revogard F280 Welding Face Shield with Ratchet HeadgearProduct Features: Integrated ratchet headgear for easy adjustment Resistant to ignition and hot particle penetration Provides electrical insulation Filter and cover lenses can be installed and removed quickly and easily Lens size: 108mm x 51mm Certified to EN175:1997