Wilcox WLS Three Hole Shroud with Lanyard Black. The L4 WLS utilizes a machined/anodized aluminum mount interface that is insert-molded in a polymer frame for a balance of strength and weight-savings. The machined interface provides a solid lock-up with any standard bracket NVG mount. The sleek yet aggressive polymer frame design is low profile so it will not snag on ropes lines risers and straps. Like all Wilcox NVG shrouds the L4 WLS is compatible with their retractable lanyard system. Package Contents: Wilcox WLS Three Hole Shrouds with Lanyard Wilcox 56108G01-B: WLS Three Hole Shroud with Lanyard Black