bow string activated on-off switch
High-Visibility LED,can be lighted about 48 hours
fits for compound bow arrows inside diameter 5.3mm( 0.204 inch)
20 grains total weight, Weights 25-50% less than other lighted nocks
Package: 6 pieces per pack
jiexi fashion Compound Bow Arrow Nocks Lighted Led Arrow Nocks for Inside Diameter Pack of 6 (Green) Review