Suitable for various materials: suitable for grinding ceramic tiles, marble, concrete, masonry, granite, and other building materials, smooth and uneven surfaces, and removing flashing lights. Wet and dry dual use: Fast and smooth grinding, suitable for use in wet or dry conditions, suitable for different situations. Add a little water for better grinding effect. Diamond material, sturdy and durable: improves durability and service life. Rust resistant, wear-resistant, not easily deformed, and can quickly remove materials. Hole design helps to cool and reduce wear: Unique hole design helps to maintain and cool the cutting pattern, reducing wear.