Firenock D3 style Hunting lighted nock system to fit crossbow arrow with Internal Diameter of 0.300", string serving of 0.165+/-0.05", and requrie a shorter nock prong.
(D33h-R => D3=D3 style nock, 3=3 pack, h=hunting, R=Red LED)
- 3 “H” series hunting circuits in red
- 6 “D3” style nocks in red color
- 3 Extreme Shock End Caps with O-rings
- 1 end cap Installation tools
- No battery is included in the pack, and you must purchase it as an option (Batteries in the picture is for demonstration purpose only)