Packed: 10 pieces per box Model Optional : WR-13S, TR-13S, TC-11S EX-21S, TR-21S, EX-26S FO-27S, SF-12S, TF-21S TR-12S, BR-40S, TF-13S SI-48S, SF-31S, SR-12S Proprietary Name:BUR, DENTALClassification Name:BUR, DENTALProduct Code:EJLDevice Class:1Regulation Number:872.324Medical Specialty:Dental