Surefire Z57 Click-on Lock-out Tailcap

Now you have a choice of momentary or constant-on light activation without having to rotate the tailcap of your light. Push lightly on the tailcap for momentary activation, push harder to "click" the light into constant-on mode, click again for off. Precision machined aerospace-grade aluminum construction, hard anodized in Olive Drab. Lock-out feature prevents accidental activation of light during tactical operations, transportation, or storage. Fits Executive Series flashlights, including the E1E, E1L, E2D, E2E, E2L, E2O.