The cross dentition divides the instruments into individual elements arranged alternately (crossed). Short, granular chips. Smooth cutting with almost no pressure. DF: Fine diamond dentition. The DF dentition has pyramid-shaped cutting tips. ISO: 500 104 141141 023 - Maximum Speed: 100,000 rpm - ROUND-CYLINDRICAL GRAIN Diameter: 023 - Shank: HANDPIECE - Application: EXTRA-FINE PREPARATION OF PRECIOUS AND NON-PRECIOUS METAL - Packaging Quantity: 5