The Alkali RPD Zenith Straight Visor features a lower profile than the RPD Visium Visor, being 3" tall throughout the straight cut portion of the visor. The Zenith Visor is a great option for players wanting a low profile option to keep great vision on the rink while still protecting the face. Mounting hardware is included that should fit most modern helmets. Model Number: ZENITH VISOR Compatibility: Compatible with most certified hockey helmets Measurement: 3" at the tallest point