Lumenok Lighted Crossbow Nock Full Metal Jacket Crescent Bolt Ends 3-Pack HD Orange. The Ultra bright LED technology used in this Lumenok bolt end offers unmatched visibility by other brands. Add a new dimension to your next crossbow hunt and take your bolt home with you. (Cresent or Moon Shaped Knock .285" ID) Specifications for Lumenok Lighted Crossbow Nock Full Metal Jacket Crescent Bolt Ends: Manufacturer: Lumenok Quantity: 3 Pack Additional Features: For use in Mission Horton Barnett Darton PSE and Bowtech Crossbows Features of Lumenok Lighted Crossbow Nock Full Metal Jacket Crescent Bolt Ends: The Lumenok is a lighted arrow nock used for shot placement recognition & arrow retrieval Now equipped with a easily replaceable battery Uses RB-25 (Lumenok Part# RBS) Fits Easton Full Metal Jacket Bolts (.285" ID) It has a Crescent or "Moon shaped" end. Cabelas Accomplce bolt Approved Models Per Manufacture For use in Mission Horton Barnett Darton PSE and Bowtech crossbows and any other crossbow designed to use a crescent or moon nock. Package Contents: Lumenok Lighted Crossbow Nock Full Metal Jacket Crescent Bolt Ends Lumenok FMJC3: Lighted Crossbow Nock Full Metal Jacket Crescent Bolt Ends 3-Pack HD Orange