The SS White® Lab Zirconia Adjustmetn Kit has been developed for the adjusting, contouring and finsihing of Zirconia substructures to create the final luster for use on layered and monolithic zirconium oxide restorations. The hardness of Zirconia materials ranges from 850 MPa to 1200 MPa. One of the keys to adjusting and polishing these materials is to perform the tasks quickly and without creating excessive heat. Kit Contents: (1) Great White®Z 368-023F (1) Great White®Z 379-023F (1) Great White®Z 850-018F (1) Great White®Z 856-018F (1) Great White®Z 856-021F (1) Great White®Z 862-012F (1) Great White®Z 881-012F (1) Great White®Z 881-016F Non-Latex