Two angular contact adjustable bearings prevent shaft backlash in both radial or axial directions

3 degree head is suitable

[BLACK] Edition of Hapstone R2 was the first knife sharpener featuring four clamps

Abrasive: Alumina Ceramic

tuffite stone edge pro bestseller Two angular contact adjustable bearingsTuffite sharpening stones are used for finish sharpening knives on Edge Pro sharpener. Tuffite stone is natural abrasive material of high density. Tuffite stones have approximately 6 mm thickness and mounted on high quality aluminum blanks with laser engraving. Tuffite stone is mined in the Baikal region of Russia. Tuffite is a tuff containing predominantly pyroclastic materials. It consists of different sized quartz crystal grains (average 50 micron)