The Bitzenburger Fletching Crossbow Jig is designed for fletching crossbow bolts and features a nock receiver that accepts all 22/64 diameter shafts with most end caps. The crossbow jig is indexed at 120 degrees for 3 fletch spacing. The crossbow jig also includes straight clamp for straight or offset fletching.FeaturesDesigned for fletching crossbow boltsNock receiver that accepts all 22/64 diameter shafts with most end capsIndexed at 120 degrees for 3 fletch spacingIncludes straight clamp for straight or offset fletching