Item Type: Diamond Grinding Block_x000D_Material: Diamond_x000D_Colour: Black_x000D_Type: Arrow tooth_x000D_Grit Number: 16#_x000D_Number of Teeth: 2_x000D_Quantity: 3pcs 1Made of high?quality diamond material, incisive and wear?resistant, there will be no gaps in long?term use. 2Exquisite craftsmanship, the grinding surface of the block has small particles, and the grinding is more delicate. 3The grit number is 16, the grinding surface is smooth, with low noise and high grinding performance during work. 4The diamond grinding block is mainly used for high?efficiency grinding and polishing of non?metallic hard and brittle materials. 5The diamond grinding block is suitable for all concrete grinders, easy to install and replace.3 x Diamond Grinding Block