<ul><li>Suitable for ID 7.6mm arrow shaft</li><li>Bowstring activated On-Off switch</li><li>Long lasting lighting batteries, perfect for long hunting trip</li><li>Lighted crossbow nocks now assembly required, help you take aim at improving your archery accuracy</li><li>High Visibility at night The Lighted Arrow nocks are necessary to every archer shooting at night</li></ul> Specification Item name: Lighted Crossbow Nocks Color: Yellow, Green, Blue Weight: about 30 Grains Suitable for ID 7.6mm arrow shaft Bowstring activated On-Off switch Breakthrough design Clear plastic for maximum light transmissic

SHARROW 3pcs Archery Crossbow Arrow Nocks Lighted Halfmoon Nocks LED Light Crossbow Nocks Arrow Tail (red)