Sword Sun Shade 1.5 in 1503558. 5 inch apertures for consistent lens fitment. It secures Sword lenses in place using a rubber O ring included with the lens. This component is required when installing Sword lenses to ensure proper retention and alignment. The design helps reduce glare while maintaining a clean sight picture. Specifications for Sword Sun Shade: Manufacturer: Sword Color: Black Features of Sword Sun Shade: Fits Sword threaded 1.5 inch apertures Secures Sword lenses with rubber O ring Required for use with Sword lenses Package Contents: Sword Sun Shade