Easily follow your shoot and quickly fine your bolt with the Carbon Express Lighted Crossbow Bolt Nock.
Specifications and Features:
Simple one piece design activates by bow string release
Fully adjustable nock end and built in alignment indicator tabs make installation easy
Housing protects battery and LED during high speed flight and impact
High visibility LED
Long life battery
Carbon Express carbon bolts and all other brands having an internal diameter of .284" to .325"