The SureFire Z68 Protective Rear Cap Assembly provides reliable tactical switching with both momentary and constant activation modes for Scout Lights and compatible flashlights.SureFire Z68 Tailcap Switch Assembly in TanMomentary and constant-on activation modesRaised guard around button prevents accidental activationLock-out feature for tactical use transportation and storageFits Scout Lights and flashlights with 3/4-inch diameter switchAerospace grade aluminum construction for durabilityEssential tactical accessory designed for professional and tactical applications where reliable light control and accidental activation prevention are critical.