Bone Tamper 7mm Bone Tamper 7mm BONT The Bone Tamper is a 7mm wide instrument to separate the Schneiderian membrane from surrounding bone during lateral sinus lift procedures. 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.