This product is made  from reliable and high quality of engineering and manufacturing.

1.Each shank passed heat treatment tempering,HRC40-45°.

2.Each shank diameter to maintain  2.35+0/-0.016mm; circularity<0.005mm.

3.Coarse designed for "fast" processing acrylics and all metals including non-precious metal and cobalt chromium.

4.Regular designed for “trimming”acrylics and metals.

5.Fine designed for dentists to do finishing and polishing for acrylics and metal dentures.

Gnashing of teeth and the shape of customization can ask