The Bitzenburger Dial-O-Fletch is an all-metal, self-supporting fletching tool that will accept any-size shaft and lets you fletch straight, offset, right and left helical. A permanent magnet assures uniform placement of all feathers and vanes. A self-centering nock receiver can be adjusted for feather spacing of three-fletch 120°, four-fletch 90° or four-fletch 75° x 105°. Includes one clamp, instructions and wrenches. Optional nock receiver available for fletching three-fletch 120° cock-vane down. Made in USA. Available: Straight Fletch, Right Helical, Left Helical.