Lumenok Lighted Arrow Nock X-Series Green. A lighted arrow nock will improve your accuracy in the field tracking your shots and possibly recover your fallen game. This lighted nock by Lumenok is extremely bright and will improve your night vision for hunting or target practice. The Lumenok Lighted Arrow X-Series Green 3 pack is made with a tough exterior that protects the nock from damage. By using a replaceable battery (included) Lumenok Lighted Nocks X-Series Green 3 Pack is equipped with a sensor that activates the light when the arrow passes through. The exact position of the nock is recorded and the time and date are recorded on the nock's tail. To put a bright light on your arrow shaft that won't give you away your position use the Lumenok X-Series Green 3 Pack. Specifications for Lumenok Lighted Arrow Nock X-series Green 3pk: Color: Green Mechanical: N Fixed: N Grain: 24 Diameter: .204" id Other features: Simple preperation of arrow shaft prior to installation will insure trouble free operationaids in tuningstays lit up to 40 hours Other features2: Uses bohning a nock.fits beman -ics mfx series.easton-axis full metal jacketacc pro hunter.gold tip-kinetic proxt & hunter Features of Lumenok Lighted Arrow Nock X-series Green 3pk: Weighs 24.5 Grains Extremely Bright The Lumenok is a lighted arrow nock used for shot placement recognition & arrow retrieval. Lumenok X lighted arrow nock fits .204" ID carbon and aluminum shafts. Each Lumenok is equipped with a replaceable battery (Lumenok part # RB). Lumenok X Fits Easton: Axis Traditional Only AC Superslim Beman: MFX Nightfall Gold Tip: Kinetic Black Eagle: Rampage Victory: RIP Package Contents: Lumenok Lighted Arrow Nock X-series Green 3pk The Lumenok Lighted Arrow Nock X-series Green 3pk is a quality addition to the Lumenok lineup. For more great deals on Arrow Nocks and Inserts by Lumenok please browse our Lumenok Archery Equipment page. Lighted nock that is activated by the force applied to it upon the release of the arrow and deactivated by slightly pulling it back as to break the contact. Designed to aid in watching your arrow flight and recovery of you game. Five sizes to fit most carbon and aluminum shafts.