Import ceramic bearing Durable and long life non-slip design durable and long life Product description: Material: Stainless Steel on-slip design ,more comfortable to use Precise cartridge,smooth operation Specification: Increasing 1:5 ratio Smallest head fiber optic handpiece Internal four spray Rotate speed:200,000rpm Torque:64Ncm Brightness:32000Lux Noise:≤58dB Bur applicable:Φ1.59-Φ1.60mm FDA Statement: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.