Bitzenburger jigs have set the industry standard for fletching tools for over 50 years. It is today's only true precision fletching instrument used by every major manufacturer of quality arrows around the world. Unparalleled quality along with simplicity, design and precision sets this fletching tool in a class by itself. Designed by experienced archers for the perfectionist who wants the finest fletcher in the world for perfect arrow making. Left Helical Jig & Clamp: includes left nock receiver and left helical clamp. (Recommended for compound shooters and overdraws