Get perfect fletching spacing and professional looking arrows with the Pro Class Jig from Bohning. This jig features a quick set magnetic clamp and oversized grips for super simple operation. The offset adjustment is very simple and has a very positive click when rotated so you know when you are in position. Capable of fletching 3 vanes at 120deg apart OR 4 vanes at 90deg apart. FeaturesAdjusts to accommodate all shaft sizesSet your own degree of offsetCapable of fletching 3 vanes at 120deg apart OR 4 vanes at 90deg apartFletch vanes or feathers up to 5.5"IncludesLeft clampStraight ClampRight Clamp