Lighted nocks that fit all standard carbon arrows with internal diameter of .245-.246 ie; Carbonwood, Traditional Extremes, Goldtips, Carbon Express, Eastern etc
Can stay alight for 48 hours continuously.
Light is activated by the bow string when shot using a micro switch in the valley of the nock.
To turn off there is a slide switch on the side, easily done, no mucking around with tools or knife.
Sold in a pack of 4