Boride CS-HD F220 1/2" on blank

Boride is a famous brand on the abrasive market, that offers professional sharpening and polishing stones of different dimensions and materials. There's wide choice of abrasive stones for any kitchen knife. 40-years experience of the manufacturing company is a great warranty for quality of their sharpening and polishing instruments prolongating life even of the most whimsical blade. CS-HD is the hardest stone with silicon used for processing of hard steels (fron 47 to 63 HRC).
Stone dimensions: 154×25×13 mm
Gritness: 220 grit
Material: Silicon carbide
Work recommendations: Boride CS-HD series works both with oil and water coolants. To increase the efficiency of grinding works with coarse stones it's recommended to use coolant with a low density, water or special TSPROF knife sharpening oil. Levelling of the stone is performed on the glass with silicon carbide powder. By using and cleaning the stone it's possible to use household detergents.