Dentsply Sirona Rinn color-coded biteblocks coordinate with XCP Extension Cone Paralleling Arms and Rings for accurate x-rays.Dentsply Sirona 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. SPECIFICATIONS Brand: Dentsply Rinn Product Type: Vertical Bite Wing Biteblock For Use With: 540934 XCP Bitewing (Red) Aiming Ring;540927 XCP Bitewing (Red) Stainless Steel Indicator Arm Color: Red Compatible Film Size: #1 Vertical Ergonomic Location: Vertical Bite Wing Package Quantity: 6/Box