Standard Prophy Angle, Firm Cup Standard Prophy Angle, Firm Cup DPA-SF Straight angle; ergonomic, easy-grip handle; premium firm cup. SKU Qty Included DPA-SF 100 DPA-SFB 1000 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.