The offset is your best choice for crossbow bolts and a good compromise for those who want some offset, but not a full helical or need less helical for fletching clearance. The aluminum tool will fletch shafts 5/16 to 26/64 diameter.
Specifications and Features:
No mounting necessary
Fletch 12 arrows in 30 minutes or less
Adjusts to any arrow size from 5/16 to 26/64 diameter
Applies 3 vanes at once
All materials guaranteed