Check the listing for details. 20pc Dental Pro Matrix Bands Adjust Matriz Matrices System Clamp Dentistry Tools. Condition: New. Listed at 20.69 USD. Quantity:20pcs Material:Stainless Steel Matrices Model:4.5mm Green Sizes Available:4.5mm Green6mm Blue(6mm for molar,4.5mm for premolar and kids) If you need 6mm,please leave us a message. Intended Use :- Thin Metal band which is tightened around the tooth to form a barrier and allow application of material. Used when performing fillings or similar operationsDisposable.Super Good Quality Clockwise to tight it arrond tooth.Anti-Clockwire to loose the band.Advantage:Matrix-Profect system is the next generation matrix band engineered to save valuablepreparation time. The sophisticated design allows easier placement andimproved visibility. Single-use to prevent cross-contamination.Pre-assembled with a sliding ban deflector and smooth tighteningmechanism.