PRO Multi-Use Diamond burs are highest rated multi-use diamond burs. There are over 1300 different shapes and grits, PRO Multi-Use Diamond provides one low price for all. Five burs per package, manufactured with natural diamonds which produce more cutting surfaces than synthetic diamonds; also Swiss multi-coating technique is used to offer the highest level of cutting efficiency with less clogging and durability. One-piece stainless steel shanks with special heat treatment ensure rigidity, strength and precision.