K-N Sinus Lift, Large/Small, 47-Degree, Black Line K-N Sinus Lift, Large/Small, 47-Degree, Black Line IMP6578SX Used during a sinus lift procedure to separate/reflect the Schneiderian membrane from the maxillary bone and to elevate the membrane. 4.1mm/7.6mm Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutron™ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron