Lincoln Viking 3350 4C Motorhead 4th Gen Welding Helmet - K3100-4

Description The VIKING 3350 4C Motorhead K3100-4 got an upgrade! The new 4th Generation has some new upgraded features such as the external grind button, improved headgear, and sunlight differentiation technology. Available in a variety of graphics and a matte black. The 4C ADF Technology improves the performance of the lens in the 4 most important categories to the welder: Optical Clarity 1/1/1/1 Real Color View Light Weight Consistent & Even Shade From Any Angle  Better Clarity, Real Color View   4C technology lens with Perfect 1/1/1/1 optical clarity rating. The rating is determined by measuring blurriness, distortion, shade consistency and angle uniformity. Resulting in the best view of your welds with less green tint and more clarity of detail.  External Grind Button Easily switch between weld and grind mode by pressing the low profile silicone button for 3 seconds.   Outdoor Performance Exclusive technology can identify the differences of a welding arc and sunli