- Special diamond instruments for inlay cavity preparations according to methods developed by the University of Berlin. Set contains : - 1 X 8425. - 1 X 8427. - 1 X 8525. - 1 X 8526. - 1 X 3425. - 1 X 3427. - 1 X 3525. - 1 X 3526. **For further product information, please contact Chat Support**