Die Cast AlloyThe Bitzenburger fletching jig is made of long lasting die cast alloy. There are no plastic parts and it is built to last. Some say it is “the last jig you will ever buy.” Adjustable DialsLarge dials at the top and bottom of the magnet holder make it easy to adjust the angle of your fletching within seconds. You have the option of a straight, offset or true right or left helical. ClampThe clamp is held at a 45 degrees angle so you will have a clear view of the fletching at all times. ClampSelf-Centering ShaftThis is an very important feature as it will accept and center any size shaft available today. This allows you to create an array of arrows for any type of shooting. Permanent MagnetThe strong permanent magnet allows for a very precise and uniform placement of all feathers and vanes. All of the many patented functional features work in unison with this magnet. The magnet is the most expensive and important part of this tool. Great care should be taken to protect it. A metal keeper or the clamp should be kept across the face of the magnet at all times. Feather SpacingWith just a slight screw adjustment you can vary the degrees of your feather spacing. Possible spacings include: 3 fletch 120 degrees, 4 fletch 75 degrees x 105 degrees 4 fletch 90 degrees Optional Nock ReceiversOptional nock receivers are available on any model to match your fletching and shooting style. Visit our page on Nock Receivers for more information. Tools and InstructionsEach and every Bitzenburger jig comes with a complete set of wrenches and instruction sheet. Download our operating instructions.