The EVOGuard range has been specifically designed to maximize compatibility with a range of other JSP products, such as Evolution® Safety Helmets, the Force®8 respirator with PressToCheck, Springfit disposable masks and the Sonis® helmet mounted ear defender range. Features: Sturdy wire mesh visor provides protection from debris and airborne particles while providing air circulation in humid conditions.Compatible with JSP® EVO® hard hats and safety helmets except EVO®Vista® and EVO®6100 series.Visible Light Transmission - 70%.Self-lubricating hinges hold the visor securely in position.ABS over-molded frame with a woven stainless steel mesh visor material.Meets ANSI Z87.1 Requirements Specs: M2 Forestry Visor-Stainless Steel Mesh-ABS Overmolded Frame- Compatible w/ EVO hard hats & safety helmets except EVO VISTA & 6100 Case Quantity: 10 Case Length: 55.88 Case Width: 48.26 Case Height: 30.48