XCP Endodontic Kit for Film/PSP Kit includes: 1 Endo Arm & Ring 3 Endo Biteblocks XCP Extension Cone Paralleling is Your Key to Accurate Positioning: Quickly align the x-ray tube to media and prevent cone cutting using this XCP Extension Cone Paralleling kit. Provides accurate positioning for precise x-rays. Patented color coding: Anterior-Blue Posterior-Yellow Red-Bitewing Green-Endo Autoclavable for low cost per use. Works with Film and PSP imaging plates. Quickly align the x-ray tube to media. Accurate positioning and precise x-rays prevent cone cutting. Easy to assemble with color coded XCP components. Patented color coding: Anterior-Blue Posterior-Yellow Red-Bitewing. Autoclavable for low cost per use. Kits include a combination of Arms, Rings and Biteblocks.