Grinding stone Glass 1000 grit Splash & Go from Satake is a ceramic stone with a 5 mm glass base that provides extra stability and durability. The glass bottom prevents cracks and shows the logo and grit clearly. Use with water without pre-soaking. The medium fine 1000 grit stone is ideal for basic sharpening of new edges and for sharpening dull knives. Comes with an anti-slip holder and English instructions with illustrations.