XCP Bite Blocks Bite-Wing. Red #0/1H, 6/PackDENTSPLY Rinn color-coded biteblocks coordinate with XCP Extension Cone Paralleling Arms and Rings for accurate x-rays. Rounded biteblocks and open biteblock design for a softer bite and improved patient comfort. For film and phosphor plates. DENTSPLY Rinn color-coded biteblocks for film/PSP plates coordinate with Rinn XCP Extension Cone Paralleling Arms and Rings to help you achieve distortion-free radiographs. The easy-to-assemble components with patented color coding (blue, yellow, red) quickly align for accurate positioning and prevent cone cutting. Biteblocks are autoclavable for a low cost-per-use. Can be used without the XCP Arms and Rings. Arms and rings sold individually.