NuFletch Ignitor Nocks .300 X Bolt 3 pk. Moon Red. 285 .295 and .300 diameter bolts. No adapters needed select and install the Swiss turned insert for your bolt place the LED battery light into the half-moon or flat nocks provided. Nock centering is automatic for unmatched accuracy. LED battery light replacement takes seconds. Package Contents: NuFletch Ignitor XBow Nocks NuFletch IGNT-300-RED/3PK: Ignitor Nocks .300 X Bolt 3 pk. Moon Red