(TF) Trimming and Finishing (FG) Friction Grip Needle ends create anatomical pits and fissures on occlusal surfaces. Solid one-piece carbide construction ensures increased strength at high speeds while greatly minimizing breakage. Diameter: .9 Includes: (10) Blister Packs containing (10) Carbide Burs each. Packaged in a cardboard dispensing box. Total of (100) carbide burs.