Sided Water Knife Sharpening Stone Water Tank

It's important that your water stones stay wet to work best. Rotate the water stone to expose three different grits for any flat sharpening need. Keep them wet with this water stone storage system.
This kit includes: 

3 stones (220grit ,2000grit, 4000grit), 8-1/4" x 2-3/4 "

1 tray