Light up your shots with the LaunchPad Lighted Moon Nock by Carbon Express. Single one-piece housing is reliable and durable. Adjustable for performance, fit, and easy installation. Indexed nock end provides added safety and an easy ON/OFF design. Integrated aluminum housing protects battery and LED during high-speed flight and impact. Lightweight and precision-balanced for superior accuracy. Adjustable barrel end is easy to install and provides a reliable performance fit. Reusable spacer tab prevents unintended lighting while in the field or traveling. Fully adjustable and nearly universal fit. Not designed for aluminum bolts.