Size: 15 - 40 Length: 33,mm Shank dia.: 0.8, 1.0mm Assorted: 15-40 Packed: 6pcs. to a package
Used for the ultrasonic vibration. We adopted "Hard Fiber Stainless Steel" as the raw-material of this ultrasonic files which has achieved super flexibility and high fracture resistanse by our own research and development.