Features 1、The diamond grinding block is mainly used for high‑efficiency grinding and polishing of non‑metallic hard and brittle materials. 2、Made of high‑quality diamond material, hard and wear‑resistant, will not be deformed after long time use. 3、Compared with traditional polishing wheels, it has better grinding performance and polishing effect. 4、The grit is 16, the grinding surface is fine, with low noise and high grinding performance during work. 5、3pcs dovetail arrow tooth diamond grinding blocks can be replaced, widely used in marble, concrete products, etc. Specification Item Type: Diamond Grinding Block Material: Diamond Colour: Black Type: Dovetail arrow tooth Grit Number: 16# Number of Teeth: 2 Quantity: 3pcs Package List 3 x Diamond Grinding Block