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

1.Each shank diameter to maintain Ø1.6 +0/-0.01mm; circularity<0.005mm.

2.Regular designed for crown cutting, drilling, surgery, bone cutting.

3.Fine designed for dentists to do finishing and polishing for amalgam and composite resin.

Gnashing of teeth and the shape of customization can ask