Check the listing for details. FIRENOCK Hunting & Target lighted nock E6ht-R Epic arrow / H nock (Pro package). Condition: New. Listed at 149.00 USD. Brand New FIRENOCK Hunting & Target lighted nock E6ht-R for Epic arrow / H nock (Pro package) (E=E style nock, 6=6 pack, h=hunting,t=target, R=Red LED) Firenock is the most advanced lighted nock system on the present market. Firenock employs Missile Arming Technology and Fuzzy Logic Technology which make Firenock not requiring any actuator / pushing / twisting to turn on or off. Firenock lights itself up once it is fired / shot (i.e. by G-force = change in speed, a Missile Arming Technology). With Fuzzy Logic Technology, Firenock will stay lit even the game is jumping vigorously and even hitting into hard objects (bone, stone, concrete). Firenock is waterproof design which it will stay lit even your arrow is submerged into water. To turn Firenock off, just hold your arrow perpendicular to the ground motionless for 7 seconds and drop the nock against a semi hard surface. Firenock is simply a smart nock! See Firenock lighted nock on youtube (just input " firenock nock") Features: • USA made G switch technology, LED activates when it is shot • No actuator magnet, actuator adaptor or sticker is needed • Field replaceable nock • Field replaceable battery • Fits most medium diameter carbon shafts with internal diameter (ID) of 0.229" - 0.233" (can fit as small as 0.205") • Blood proof / Waterproof design • 24K Gold plated connectors for best reliability and corrosion resistance • Ultra bright focus-beam LED (11,000 LUX) • Weighs ~25 grain with the nock Contents: • 3 pcs Hunting circuits in red • 3 pcs Target circuits in red • 9 pcs "E" style nocks in red • 9 pcs "E" style nocks in clear • 6 pcs Extreme Shock End Caps with O-rings • 2 pcs End Cap Installation Tools • 6 pcs batteries with O-rings • 1 AG0GEL for gluing End Caps • 1 PEx Extreme Shock Matched Weight Pack Arrow fit list: • Alaska Bowhunting: GrizzlyStik (ID 0.212") (requires custom fit/shave) • Arrow Dynamic: Nitro Stinger (ID 0.211") (requires custom fit/shave) • Beman: CenterShot • Carbon Express: Predator™ II (2040 and 3050), Thunderstorm 29 • Easton: ACC Pro Hunter, A/C/C 3-49/390, Aftermath, ION, Pink ION, Da'Toyurch, Hexx, ST Epic Realtree HD Green, ST Epic, ST Carbon Excel, Bloodline, Wildthing, Traditional Only, can also fit A/C/C 3-39/440 • Gold Tip: CAA .400 • High Country: Speed Pro (ID 0.233") Notes: • Gel type super glue (e.g. Firenock AG0GEL) is needed to successfully install Extreme Shock End Cap • Clean arrow shaft with acetone before installation of End Cap • Put glue into the cleaned arrow shaft (do not put glue on End Cap / Tool) • Push End Cap with tool straight (do not rotate) into the arrow shaft during installation of End Cap