Lumenok Lighted Crossbow Nock Vapor/GT MX Flat Bolt Ends 3-Pack Pink. The Ultra bright LED technology used in this Lumenok bolt end offers unmatched visibility by other brands. Add a new dimenson to your next crossbow hunt and take your bolt home with you. (Flat End .272" ID) Specifications for Lumenok Lighted Crossbow Nock Vapor/GT MX Flat Bolt Ends: Manufacturer: Lumenok Color: Pink Quantity: 3 Pack Additional Features: For use in Excalibur CamX Ten Point Wicked Ridge Crossbows Features of Lumenok Lighted Crossbow Nock Vapor/GT MX Flat Bolt Ends: The Lumenok is a lighted arrow nock used for shot placement recognition & arrow retrieval Now has an easily replaceable battery Uses RB-425 (Lumenok Part # RBS) GTMXF Lumenok fits Gold Tip Carbon (.272" ID) It has a Flat end. Gold Tip - Laser IV Nitro Approved Models Per Manufacture For use in Excalibur Crossbows CamX Crossbows Ten Point Crossbows Wicked Ridge Crossbows and any other manufacturer that recommends the use of flat nocks.. Package Contents: Lumenok Lighted Crossbow Nock Vapor/GT MX Flat Bolt Ends Lumenok GTMXF3P: Lighted Crossbow Nock Vapor/GT MX Flat Bolt Ends 3-Pack Pink