Wilcox EoTech Rail Shim Black. The EoTech mount is designed to flip out of the way when not in use and return to zero when back in operational mode. Flip Mounts for EoTech available with and without rails and accommodate both Low Profile and 5/8 Rise configurations. Flip mounts allow optics to flip to a stowed position for front sight visibility or to an operational position for magnifier operation. Specifications for Wilcox EoTech Rail Shim: Manufacturer: Wilcox Color: Black Fabric/Material: Aluminum Package Contents: EoTech Rail Shim Wilcox 55301P02: EoTech Rail Shim Black