The Bitzenburger Fletching Jig is constructed of die cast alloy, features a strong permanent magnet which allows for very precise and uniform placement of all feathers and vanes. Self-centring shaft cradle will accept and centre any shaft. Large dials at the top and bottom of the magnet holder make it easy to adjust your angle of fletching within seconds, to fletch straight, offset or true right or left helical. Feather spacing of 3 fletch 120 deg., 4 fletch 75 deg. X 105 deg., and 4 fletch 90 deg. can be selected by a slight screw adjustment. Clamp is held at a 45 deg. angle.