Diamond Sharpening Stone adopt lectroplated Diamond technology, sturdy and stable. Hive appearance, delicate and practical. Double-Sided design, separately imprint with 1000# and 400#, representing coarse grinding for 400# and fine grinding for 1000#, you can choose which degree you want. Suitable: Diamond Sharpening Stone for cutlery at home, especial for kitchen. Ideal for woodworking cutting tool grinding, skate blade,jade,seal cutting tool,glass tile chamfering,some super hard tool in...