Compatible with DEXIS, SCHICK, JAZZ, GENDEX, SIGMA. 4 bitewing rings 4 arms 4 holders Designed for standard adult-size sensors (commonly size 2)   Allowing for accurate imaging that minimizes retakes. For Standard adult-size sensor (most commonly size 2) Autoclaveable Universal Teeth x-ray holder. Digital x-ray sensor positioners. For various types of digital x-ray sensors. Compatible with DEXIS, SCHICK, JAZZ, GENDEX, SIGMA. Autoclaveable. Fits very comfortably into patient’s mouth. Great XCP holders. 4 bitewing holders, arms and rings. All pieces included.