Firenock, LLC

• Fits most slim carbon arrow/bolt with internal diameter (ID) of 0.284" - 0.286" (can fit as small as 0.270")
• Weighs ~31 grains with the nock
• Built with 11,000 LUX focus-beam LED
• Lasts up to 24 hrs, 48 hours with 1-hour increment burn with [BR] Batteries
• 24K Gold plated connector for best reliability and corrosion resistance
• High speed spin balance design

Package includes 1 Y3 Pack and 1 Battery 3-pack BR or BL

• 3 "H" Series Hunting circuits
• 3 matched weights
• 3 "Y" style nocks in red
• 3 "Y" style nocks in green
• 3 MIL Spec O-ring

  and

• 3 Batteries
• 3 Battery Pin O-rings

Click link learn  more about the 3 different battery's properties BR, BL , & BU

Firenock "Y" style nock will fit most common slim diameter graphite bolts

• Carbon Express: Aramid KV Crossbolt, CX Crossbolt, Maxima?, Hunter Crossbolt
• Parker: Crossbow Bolt, Redhot Crossbow Bolt
• Vapor by Goldtip: Crossfire Bolt (shave off all ridges to fit)

Use any Firenock on hard target like Spiderweb, small game, long term use,bolt  speed over 365fps, or if you choose Ultra Long Shelf-life battery [US], extreme shock battery end cap is mandatory for reliable operation.