Features: This 2inch curved grinding disc engineered for rapid material removal on stone, concrete, and hard surfaces. Flexible bowl shaped design seamlessly contours to curved workpieces, while the polymer base ensuring extended service life for professional stone carving and edge detailing. Ideal for construction crews, stone artisans, and DIY enthusiasts requiring grinding across complex surfaces. Perfectly handles curved polishing tasks in bathroom renovations, artistic sculptures, and concrete floor preparation projects. Features tool free snap on installation suitable for standard grinders, enabling disc changes during demanding renovation or restoration workflows. Specifications: Component:Resin Size: Approx. 4.3x4.3x1.7cm/1.69X1.69X0.69inch Type: 50#/100#/200#/400#/800#/1500#/3000#/Set Package Includes: 1Pc Grinding Wheel note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.