Bohning Blazer Helix Jig - The Blazer(R) Helix Jig is designed for standard carbon shafts and fletches your 2" vanes with a perfect 3-degree right helical. Three fletch 120deg only. Easy set-up and simple operations, instructions included. Three Fletch 120 degreeEasy Set-upSimple operationsInstructions includedFletches 2 vanes on a perfect 3 degree right helical