Uni-Grip 360 Universal Disposable Radiography Holder for Digital Sensors Accommodates any #1 or #2 sized digital X-Ray sensors, positions sensors for anterior, posterior and bitewing radiographs. Perforated side tabs for easy removal. Rigid construction reduces flexing for accurate alignment. Box of 50 Uni-Grip Holders and 50 Digital Sensor Barriers. Box of 50 sensor holders & 50 sensor barriers