Features Premium Material This grinding wheel uses diamond as abrasion and combined with composite material. Practical adhesive cloth for the back: with special binder. There is a sticky cloth on the back for sticking, easy and convenient. Wide Application The 4 inch diamond grinding wheel is used for dry/wet grinding of concrete, granite, stone, marble, tile, masonry and some other building materials. Ideal for smoothing uneven concrete surfaces and removing burrs. Good work performance: it can be polished quickly and used for a long time. It has strong grinding power and smoothness. The grinding wheel is suitable for grinders and angle grinders. DURABLE: After polishing, no paint will remain on the stone. High diamond hardness concentration for longer life. Description: This grinding wheel uses diamond as abrasion and combined with composite material. On the back there is an adhesive cloth for sticking, easy and convenient. Specifications: Diameter: 100mm/4" Thickness: 4 mm. Granularity: 50/100/150/300/500/800/1000/1500/2000/3000 (optional). Used for: 1. Processing of artificial stone, granite, marble, etc. 2. Renovation of floors or stairs made of granite, marble or artificial stone. Package includes: 1 x grinding wheel. Note: 1. Please allow 1-3mm error due to manual measurement. Thank you for your understanding. 2. Since monitors are calibrated differently, the colour of the item shown in the photos may differ slightly from the actual object. Please take the original as standard. 3. Please note that the new and old type of this product will be sent at random. Please make sure you do not mind before ordering. Package List