Universal sensor positioning system provides a custom fit to all digital sensors. One holder works with both size 1 and size 2 sensors. Autoclavable. Rigid sensor support keeps sensor positioned accurately. Silicone cushioned edges help provide patient comfort and prevent sensor cover perforations. Use with the XCP-oRA 3-in-1 Positioning System for easy paralleling. Kit: XCP-ORA, XCP DS Fit Anterior Biteblock x 2, XCP DS Fit Posterior Biteblock x 2 and XCP DS Fit Bitewing Biteblock x 2