Feature:1. Through excellent workmanship, these grinders have smooth surface and incisive teeth for perfect grinding.2. Also, the diamond grinder has high grinding performance with low noise, which will surely improve the efficiency.3. The trapezoid concrete grinding disk is very easy to install, and suits for all concrete grinding machine.4. Made of highquality diamond material, the grinder is not easy to deform, and very durable for long use.5. Compact size along makes it much easier to carry and replace, and 3-piece set is very cost-effective.Specification:Item Type: Trapezoid Diamond GrinderProduct Material: DiamondColour: BlackType: TrapezoidMesh Number: 16#Number of Teeth: 3Number: 3pcs.Package List:3 x Trapezoid Diamond Grinder