ValuDiamond – This economic line of diamond burs are very high quality and come in packs of 10 burs. ValuDiamond burs are designed for both single and multiple use; their one-piece stainless steel shanks undergo a special heat treatment to ensure rigidity, strength and precision. There are over 200 shapes and grits available, which all sell for the same low price. PLEASE GIVE IT A TRY, YOU WILL BE VERY GLAD YOU DID.