Contouring XTS™ Composite Instrument Contouring XTS™ Composite Instrument TNCFIR/L Used for shaping of inclines, planes or developmental lobes for anterior and posterior restorations. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.