6.2mm Automatic Led Lighted Nock Compound Bow Arrow Nock for Hunting Shooting

Feature

Diameter: For 6.2mm Shaft Fits any bolt with diameter 6.2MM.
light color: Blue
Easy and durable usage, more competitive price
automatically lighted after shoot
After arrow retrieval simply push back activator switch located in side of nock to the off Battery ( non-replaceable ) last about 24-48 hours