XCP-DS® for Sirona Digital Sensors, Posterior KitXCP DS Posterior Kit for Sirona Digital Sensors contain products used to hold a corded digital sensor while X rays are taken. For use with Sirona and Planmeca Dixi Digital Sensors Not used with Sirona XIOS or XIOS Plus Contains: 6 XCP DS posterior baskets, 2 of each: full size horizontal, universal horizontal, universal vertical; 1 XCP DS posterior aiming ring; 1 XCP DS posterior arm; 1 XCP DS posterior bitepiece