Our EZ Bow has everything you need to quickly capture facebow records. This system includes the EZ Bow, magnetic laser level, magnetic 3D bubble level cube and 20 Index Trays. The EZ Bow is based on the findings of Dr. John Kois, using an average value of 100mm from the incisal edge to the center of the hinge axis. The EZ Bow, adjustable platform and index trays are all compatible with the Kois Dento Facial Analyzer.