6pcs For Crossbow Bolt ID 7.6mm 0.297" - 0.302" Crossbow LED Lighted Nocks Auto

Description

Feature:
Up to 48 hours of battery life(non-replaceable).
Bowstring Activated On-off Switch.
Waterproof and shock resistant.
No assembly required.
Lightweight and precision-balanced for superior accuracy.
Suitable for crossbow bolts with inner diameter 7.6mm (0.297"-0.302").
Specifications:
Color: red , blue , green
Material: clear plastic + LED stick
Package included:
6pcs x lighted nocks
How to use:
Nocks can be inserted to the shaft easily and in fully operational condition.
Automatically lighted after shoot.
Nocks can be turned on or off easily by pushing the switch.