• HIGH VISIBILITY and LONG LASTING LITHIUM BATTERIES - Shoot it at dusk, and with 20 hours of battery life, you can still find your arrow the next day
• RELIABLE - Piston driven contact switch ensures L.E.D. illumination every time. Waterproof and shock resistant design is second to none
• NO ASSEMBLY REQUIRED - Nocks can go straight form the package to the shaft in fully operational condition. No prep work needed. Just insert it, and you are ready to shoot
• FITS ARROWS WITH INSIDE DIAMETER .244 - Including Carbon Tech, Victory, Carbon Impact, Carbon Express, Carbon Revolution, Easton, Beman and PSE (see Product Description for specific Models)
• THREE PACK GREEN NOCKS - Also Available in Red, Pink and Blue
• 20 plus hours of battery life
• Fits arrows with Inside Diameter of .246