Spray: Internal irrigation Maximum speed (rpm): 100.000 Noise level (dba):60 Head diameter (mm): 9.8 Head height (mm): 14.4 Bur compatibility: Shaft diameter 2.35 mm Type 1 (ISO 1797) Max. length 34 mm (ISO 6360-1) Light: Multi-strand optical glass technology Light intensity (kLux): 13 Weight (g): 79