The Nockturnal Shift FIT lighted nocks set the standard for all other lighted nocks on the market, enhancing the simplicity and reliability that makes them the most dependable and user-friendly option available. Featuring an external on/off switch, turning off the ultra-bright, string-activated light has never been easier—just slide the switch, and it's off. With over 20 hours of battery life and a rugged design, these nocks are built for lasting performance like no other. Specifications Strong clear polycarbonate construction H (white bushing) = Fits smaller diameter carbon .233 ID shafts GT (black bushing) = Fits smaller diameter carbon .246 ID shafts S (gray bushing) = Fits standard carbon .244 ID shafts X (no bushing) = Fits smaller diameter carbon .204 ID shafts Each nock weights approximately 25 grains Offers over 20 hours of battery life 3 nocks per pack
