Lumenok Lighted Crossbow Nock Flat Bolt Ends 3-Pack Pink. The Ultra bright LED technology used in this Lumenok bolt end offers visibility unmatched by other brands. Add a new dimension to your next crossbow hunt and take your bolt home with you. (Flat End for .314" ID - 2216 Aluminum shafts) Specifications for Lumenok 2216 Lighted Crossbow Nock Flat Bolt Ends: Manufacturer: Lumenok Quantity: 3 Pack Additional Features: For use in CamX Crossbows Ten Point Crossbows Wicked Ridge Crossbows. Features of Lumenok 2216 Lighted Crossbow Nock Flat Bolt Ends: The Lumenok is a lighted arrow nock used for shot placement recognition & arrow retrieval Equipped with easily replaceable battery Uses RB 425 (Lumenok Part # RBS) 2216F Lumenok fits 2216 Aluminum bolts (.314" ID) It has a FLAT end. Approved Models Per Manufacture For use in CamX Crossbows Ten Point Crossbows Wicked Ridge Crossbows. Package Contents: Lumenok 2216 Lighted Crossbow Nock Flat Bolt Ends Lumenok 2216F3P: 2216 Lighted Crossbow Nock Flat Bolt Ends 3-Pack Pink