XCP-ORA™ One Ring & Arm Positioning System, Double PackXCP ORA One Ring & Arm Positioning System reduces X ray components needed to accurately position radiographic media with the Rinn XCP or XCP DS biteblocks to just one ring and one arm. Eliminate the clutter of separate arms and rings Works with all Rinn XCP Film and XCP DS Biteblocks Sturdy precision molded plastic ring and stainless steel arm Raised collimator ribs on ring also center on 70 mm or 60 mm cones for easier centering Steam autoclave to