Pull Up/Down Switch Lighted Nocks

High Visibility LED Nocks
Tool-free operation with a convenient pull-up/pull-down switch
Battery life is over 72 hours.
.No assembly required.
String-activated: LED will switch on upon the bowstring releasing.
2 Models for Choice:
4.2mm/.165 nock with bushing fits for .204&.245 arrows.
7.62mm/.300 nock.