Features: Includes step 1, step 2, step 3 and step 4 dry polishing discs. Dry polishing, waterless operation, convenient and less pollution. Provides a highly finished varnish. Great for granite, marble, quartz and other stone materials - high resin concentration. 4 steps - save time and labor costs. Specifications: Name: diamond dry polishing discs Material: diamond + resin powder Color: random Diameter: 4 inch (100 mm) Grit 1: very sharp, wear-resistant, rough grinding is very fast, suitable for marble, rough grinding terrazzo, terrazzo, cement floor. Grit 2: clean the scratch, good fineness, you can scratch quickly. Grit 3: finely ground and finely ground, the initial gloss appears. Grit 4: polishing brightness, brightness up to 100, directly after grinding crystallization. Package include: 1 * Polishing Pads Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.