-3 pack (Red)
-Designed to fit the 5 most popular carbon arrow shaft sizes
-Contains the bushings needed to size the Nock Out from in.Gin. all the way up to an in.S/GTin.
-21-24 grains (depends on the bushing size)
-24 hour battery (continuous on time) – not replaceable
-Simply pull the nock straight back until you hear a soft in.clickin. and the LED turns off – no tools or magnets
-A simple 1/4 turn of the activation collar deactivates the LED during practice