Features: Achieve high polishing efficiency and long lasting durability with this 200mm diamonds resin bond grinding plate, featuring 500#/800#/1500# grit option for versatilitys surfaces finishing on stone, marble, and ceramic. Designed with 25mm center hole, this 8inch wet use polishing disc combines diamonds abrasives and resin for precise, low dust grinding on hard surfaces. Ideal for contractors, stone fabricators, and DIY enthusiasts working on flooring renovations, countertop installations, or artistic stone restoration projects. Perfectly adapts to auto polishing machines for refining marble floors, granite countertops, ceramic tiles, or concrete surfaces in workshops, construction sites, or home improvement setting. The multilayered resin bond technology ensures consistent pressure distribution during grinding, enhancing surfaces claritys and gloss while minimizing tool wear for extended project use. Specifications: Component:Resin+diamonds Size:ASpprox.20x20cm/7.87x7.87inch Number of subjects: 500#/800#/1500#(Optional) Hole: 25mm Applicable scenario: Suitable for processing a variety of materials, including ceramics, optical glass, semiconductor materials, wear-resistant cast iron, stone, as well as various steel tool, haircutter push and other precise grinding operations. Package Includes: 1pc Grinding Plate note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.