- Lighted Nocks for 7.62mm Arrow: Designed to fit all Carbon Express arrow shafts with a .300 inside diameter, these nocks ensure compatibility and ease of use for your archery gear. - Long Battery Life: Equipped with high-quality lithium batteries, each nock provides continuous illumination for over 24 hours, ensuring reliable performance during extended shooting sessions. - Automatic Illumination: These nocks activate instantly upon release, eliminating the need for manual switching. They are ready to use right out of the package, ideal for both experienced archers and beginners. - High Visibility: Made from clear durable plastic, these nocks maximize light output for improved visibility in low-light conditions. Featuring a piston-driven contact mechanism for consistent and dependable lighting with every shot. Use Scenarios: 1. Ideal for night hunting or evening practice, allowing easy arrow tracking in low-light environments. 2. Suitable for competitive archery, helping quickly locate arrows on targets to save time between shots. 3. Great for casual target shooting, adding visual feedback and excitement to every shot while enhancing overall shooting experience. Improve your archery experience with these dependable, easy-to-install lighted nocks that deliver lasting brightness and broad compatibility with your current setup.