Diamond sharpening stone, 3000# 1000# is shown in other photos, but this is 3000# This is a finishing whetstone. Please be sure to confirm. m(__)m If you are repairing a chipped knife, a lower grit than 1000# is recommended. If you sharpen with a very low grit, it will take more time to finish. If you sharpen carefully with 3000#, your face will be reflected like a mirror. It is easier to sharpen if you attach it to a whetstone base, as shown in the photo. The whetstone base in the photo is sold separately. Ceramic takes a little time. If you use a diamond whetstone, you won't be able to use a stone. Those who are training may say that a stone is fine to quickly learn the angle of the blade. The blade sharpens quite quickly, and the sharpness makes a difference. High-durability diamond abrasive stone, perfect for sharpening knives. - Model number: 3000# - Material: Diamond abrasive stone - Size: Approximately 17cm x 7.5cm x 1cm - Application: For sharpening knives - Features: High durability, with non-slip Thank you for viewing.