Non conductive polyamide mesh shield, with a matt black finish Very lightweight and non conductive Mesh Size: Ø0.3 1.0 x 1.0mm Mesh Visors are designed to fit 3M™ Hard Hats All mesh visors are tested and approved under the European Standard EN 371 and meet the requirements for increased robustness (S marking) Meets the Grade F requirements for low energy impact protective shields Marking class: 3-1.2 8 9 1F