With the Arizona Archery E-Z Fletch Bolt Fletching Jig, you can fetch larger diameter crossbow bolts quickly, and with precision & ease, dramatically increase accuracy, designed to apply a unique radical helical to 2" vanes that not only stiffens them, but creates more torque and accepts all nock designs. Fantastic jig for the everyday archer or even a novice fletcher looking to learn how fletching your own arrows work.FeaturesFletch larger diameter crossbow bolts quicklyApplies an unique radical helical to 2" vanesAccepts all nock designs