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.306" ID 2219 Aluminum shafts) Specifications for Lumenok 2219 Lighted Crossbow Nock Flat Bolt Ends: Manufacturer: Lumenok Color: Pink Quantity: 3 Pack Additional Features: For use in CamX Ten Point (Older) Wicked Ridge (Older) Kodabow Crossbows Features of Lumenok 2219 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) 2219F Lumenok fits 2219 Aluminum bolts (.306" ID) It has a FLAT end. Approved Models Per Manufacture For use in CamX Crossbows Ten Point Crossbows (Older) Wicked Ridge Crossbows (Older) Kodabow crossbows and any other manufacturer that recommends the use of flat nocks.. Package Contents: Lumenok 2219 Lighted Crossbow Nock Flat Bolt Ends Lumenok 2219F3P: 2219 Lighted Crossbow Nock Flat Bolt Ends 3-Pack Pink