Features 1、High quality diamond material, smooth surface. 2、Metal back works great on magnetic plates. 3、Superb craftsmanship, sharp, wearproof, strong and durable. 4、High grinding performance, low noise. 5、Fit for all concrete grinding machines. Specification Description: Diamond Grinding Pad is a grinding tool for non-metallic materials such as stone and porcelain materials, which has high grinding performance, simple manufacturing, low cost, high grinding quality and can be applied to large-scale grinding processing. Features: 1. High quality Diamond material, smooth surface. 2. Metal back works great on magnetic plates. 3. Superb craftsmanship, sharp, wearproof, strong and durable. 4. High grinding performance, low noise. 5. Fit for all concrete grinding machines. Specifications: Grit: 30 Model: 3 holes 2 straight teeth Size(L x W): Approx. 7.35 x 5.5cm/2.89 x 2.17in Production Technique: Sintering Weight: Approx. 199g Package Includes: 1 x Trapezoid Diamond Grinding Pad Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List