Burt Coyote Lumenok Crescent Lighted Nocks -
Never lose an arrow again! Ultra-bright LED technology gives intense brightness for unmatched visibility at distance, and expedites tracking and locating stray bolts, to save both time and money! Simply replace your original internal mount nocks with Lumenoks. Lumenok lights up automatically when seated against a carbon or aluminum arrow shaft and stays lit for up to 40 hours. No magnets, no glue, no switches, or moving parts. Light can be disengaged by backing nock out of arrow shaft. Color: Red light.