• Lazer Eye Green Nock
• Mfr. item number - 58013
• Aids the bow hunter in following the flight on an arrow & determining the location of impact
• Helps prevent arrow loss in the event of a pass-through shot or missed shot
• Activated upon the release of the arrow when the bow string compresses forward
• Lazer Eye can be turned off by slightly pulling nock from the arrow of the shaft
• Up to seven hours of illumination
• 18.5 grain weight
• Weight: Approximately .06 pounds
• Shipping Dimensions: Approximately 6 x 4 x 1 inches.