The welding lens of plate size 2″ x 4″, has characteristics of shade 8. It is for use with 2″ x 4″ auto-darkening lenses (shade 8). Welding Lens, 2 x 4 In, 8, Auto-Darkening Review Tagged on: Hard Hat Accessories Miller Electric Personal Protective Equipment Safety & Security Tools & Home Improvement LoneKing July 12, 2018October 15, 2018 Head Protection No Comments