Provides secondary protection to flashlight window * Converts the focused high-output beam of a SureFire flashlight to a softly diffused wide-angle beam. * Slips over bezel and fits SureFire flashlights and weaponlights with a 1.0" diameter bezel, including E1L, E2L, E1B, E2DL, LX2, Scoutlight, Mini-Scoutlight