3M™ Faceshield, V4F is our standard peak, 1.0 mm thick, optical class 1, clear polycarbonate faceshield. It's designed to fit 3M™ Hard Hat and provides protection for low energy impacts.Get protection from low energy impacts with 3M™ Faceshield, V4F. Our standard peak, 1.0 mm thick, clear polycarbonate faceshield is optical class 1 and provides Grade F