Grinding stone Glass 3000 grit Splash & Go from Satake is a ceramic stone with a 5 mm glass base that provides extra stability and durability. The glass prevents cracks and shows the logo and grit clearly. Use with water without pre-soaking. This 3000 grit stone provides a fine sharpness and is ideal for finishing the sharpening of a medium dull knife. For rough grinding, use a 400 grit stone and for basic sharpening, a 1000 grit stone. Comes with anti-slip holder and English instructions with illustrations.