VIKING 3250D FGS Hard Hat Helmet Assembly The Single Helmet Solution - In any fabrication environment, productivity, safety, and optic clarity are important. The VIKING ® 3250D FGS from Lincoln Electric provides enhancements to each of these elements when compared to a standard welding helmet. Industry Leading Optics 4C® Lens Technology - Broadens the color range & hues which can be seen in both light and dark states. This eliminates imperfections and color saturation to create the clearest view of the base material, arc & puddle. Perfect 1/1/1/1 Optical Clarity - This rating is determined by measuring blurriness, distortion, shade consistency and angle uniformity of the auto-darkening welding lens. Extra Large Viewing Area - The 12.5 square inch auto darkening lens provides a large field of view to increase versatility and operator control. Versatile Hard Hat Design - Industrial impact protection through a high-density polyethylene (HDPE) shell and a simple, adjustable fit . Maximizing Field of View The integrated clear grind shield and shade 5 side windows increase field of view in both the open and closed positions. Safety Versatile Hard Hat Design - Industrial impact protection through a high-density polyethylene (HDPE) shell and a simple, adjustable fit . Expanded Field of Vision - Larger viewing area in both the open and closed positions makes material inspection, grinding, and general movements less hazardous. Impact Protection - The ANSI Z87.1 compliant grind shield can protect operators from various impact hazards.