The thunderglo lighted nocks are constructed of a polycarbonate blend nock with an aluminum shaft.It features bright led illumination by an auto-on system when the nock is shot and stays on until the user unclicks the nock.It's universal collars fits arrow shafts (g/x/h/s)
Model: Thunderglo
Color: Blue
Quantity: 6 Per Pkg
Material: Polycarbonate/Aluminum
Model: Thunderglo
Color: Blue
Quantity: 6 Per Pkg
Material: Polycarbonate/Aluminum
