Discover the Longer-Lasting Diamond Burs. Sterile! Disposable! Friction Grip! The Havel's Longer-Lasting Diamond Burs are fast cutting and stay clean through full crown preparation. Made in Israel. Benefits include the combined durability of manufactured diamonds with cutting excellence of natural diamonds for the longest-lasting disposable. The greater edge exposures assure aggressive cutting and clog resistance. Cool-fast cutting with less pressure, trauma and risk of cross-contamination. As always, Satisfaction is Guaranteed or your money back.