View on LOZ Suggested Retail: $272.44. Lincoln Electric ArcSpecs Auto-Darkening Goggles/Mask - 4C Lens Technology - K4643-1. The Lincoln Electric ArcSpecs Auto-Darkening Goggles are a unique alternative to a traditional welding helmet. The lightweight, low profile is ideal for tight clearance environments like fabricating an automotive roll cage, pipeline, or pressure vessel. The frame is coupled with our premium 4C Lens Technology optic platform, which eliminates visual imperfections and color saturation to create a clear, true color view of the base material, arc, and puddle, while reducing eye strain.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.