NAP Thunderglo Lighted Nocks have ultra bright LED illumination and feature an easy on/off feature.
- Polycarbonate blend Nock with aluminum shaft making them extremely durable for long lasting use and life expectancy.
- Bright LED Illumination.
- Auto ON when nock is shot.
- LED Stays ON until user unclicks the nock.
- Universal collars fits Arrow Shafts (G/X/H/S)
- Thunderglo Nocks comes in blue, green or red.