3pcs High-visibility Crossbow LED Lighted Nocks for Crossbow Bolt ID 7.6mm

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.
Fits for crossbow bolts with inner diameter 7.6mm(0.297"-0.302").
Specifications:
Color: red , blue , green
Material: clear plastic + LED stick
How to use:
Nocks can be inserted to the shaft easily and in fully operational condition.
Automatically lighted after shoot, there is no need to turn it on manually.
Nocks can be turned on or off by the mini screwdriver.
Package included:
3pcs(1 set) x lighted nocks (with one mini screwdriver)
Note:
1.Due to the light and screen difference,the item's color may be slightly different from the pictures. Please understand.
2.Please allow slight differences due to manual measurement.