Check the listing for details. 3 Pack Self-Ligating Bracket Traction Hooks Dental Orthodontic Crimpable 10 Pcs. Condition: New. Listed at 14.24 USD. Description: Type: Dental Self-ligating Bracket Hook Three Parts：Traction part；Fixed part；Bending part Qty: 10Pcs/Pack How to use： 1. Extend the traction hook into the hook hole.2. Extend the fixed part of the traction hook into the hook hole to expose the bent part.3. Using tweezers or a needle holder, bend the hook by 90 degrees.4. The hook installation is complete. 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, do not bid on this item unless 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.