400/1000 3000/80000 Grit White Corundum Double-sided Whetstone

Features:
400/1000 grit whetstone to sharpen dull cutter, 3000/8000 grit whetstone to refine the margin.
Made from white corundum, so expensive oil is not required, just use some water.
Non-slip silicone holder and non-slip bamboo base to make sure the whetstone is firmly fixed.
Two side leather strop for polishing cutter and removing burr.
The stone correction makes well correction of grindstone surface, remove iron trace, smooth surface.
Angle guide keeps the cutter at the correct angle.