Description: Dental rotary grinding and polishing instruments Diamond impregnated 3-stage polishing system Coarse/Medium/Fine(1. Smoothing. 2. Pre-polishing. 3.High-gloss polishing) Best results, high efficiency Applicable on composite,ceramic and Zircon Recommend speed:7,000-12,000 rpm/min Package:6pcs/set 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. Seller name:sinodentalCity,State:SHENZHEN,ChinaTelephone number:0755-35590238