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

3 degree head is suitable

Technical Jasper is a naturally abrasive material of high density

CGSW Resin Bonded Diamonds virtually don't wear with proper use and are easy to dress when needed

Saw strokes on the work surface

tuffite stone edge pro bestseller [BLACK] Edition of Hapstone R2Tuffite 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)