Leak proof

The U Select mechanism enables you to dial-in precisely the coarseness of grind

Coarse Grade (300 Grit) on one side to eliminate minor defects and restore edge

Requires submersion in water for 10 to 15 minutes before use

A classic design that doesn't age

Kai Shun Combination Whetstone CDN Leak proofThe Kai Shun Combination two stage whetstone will bring any knife (except serrated knives) back to optimum performance. Removing dulled molecules from the knife edge, the whetstone is the requisite quality to get Kai Shun knives back to full sharpness. Coarse Grade (300 Grit) on one side to eliminate minor defects and restore edge. Fine Grade (1000 Grit) on the other side to hone the edge the knife's edge for a sharp finish. Length : 7" (18. 40cm),