Check the listing for details. Dental Sectional Contoured Matrices Matrix Refills Bands Clip Rings Clamp Kit. Condition: New. Listed at 6.64 USD. Dental Sectional Contoured Metal Matrices Matrix Refill Feature: 1.Special reinforced matirial ensures the appropriate strength and elasticity; 2.Deliverying optional separation forces and buliding perfext contct each time; 3.Tight contacts,excellent retention and separating teeth without impaction; 4.For molars with regular crown,with short crown, deciduous teeth and other chanllenging areas; 5.Autoclavable The system contains: Sectional Matrix Bands:30pcs(#1-5pcs,#2-10pcs,#3-10pcs,#4-5pcs) Clip ring r4 1.0：1pc Packing:1 box 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.