12x 6.2mm Lighted Nocks with Power Switch

Nock type: press-in lighted nock
Nock outer diameter: 6.2mm
High-visibility LED
Bowstring activated on-off switch
No assembly required
Fit inner diameter 6.2mm arrow shafts.
Light color: blue/red/green
Light type: LED
Nock overall length: 45mm
Net weight: 1.4g/20 grains
Material: PC
One screwdriver in each box of 3 nocks
The screwdriver is used to power on and off the light.
Battery life: 12-18 hours
Bottom metal part is the battery.
The battery can not be changed.
Battery life: 72 hours
Easy to track arrow flight in the dark/night
Help to see where the arrow hits
Help to find the arrow after the shot

Power on the light using the screwdriver or a small pin, and your arrow release will trigger the switch.
The standard 6.2mm diameter would fit most carbon arrows, aluminum arrows and fiberglass arrows with an outer diameter of 6.2mm.

This package includes 12 nocks.