- Precise contact points for controlled arrow release
- Aligned nock barrel for true arrow flight
- Concentric design to center the nock in the arrow shaft for more consistent performance
- Lightest weight and perfectly balanced superior accuracy
- High visibility LED
- Long-Life battery. Red nock (8 hours); Green, Blue and Pink (50 hours)
- Release Activated
- Compatible with all arrows with an inside diameter of .243" to .245"