CSI1 Serrated Gingival Cord Packer CSI1 Serrated Gingival Cord Packer GCPCSI1 For atraumatic and accurate cord placement. Also available non-serrated CSI-1 (GCPCSI1NS). 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.