Slurry stone PETROGRAD # 4000, water stone based on quartz grain 3 microns. on a ceramic bond, having an indication in the marking of grit according to Jis.
Nagura # 4000 for surface correction and soaping
This stone is used to correct small irregularities after sharpening and leveling shallow scratches on the surface of the stone.
To fully enjoy your stones, use Nagura before and after work. It cleans the surface of the grinding stone, allowing you to keep it in working condition. Please use a bar with enough water.
Size is about 70*20*20 mm
Gross weight 45 g
Net weight 34 g
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