This Diamond Wheel is perfect for your 200mm grinding and polishing needs. With an extra fine grit size of 1200, this wheel will leave your projects looking smooth and glossy. This wheel is specifically designed to allow for faster, more efficient grinding and polishing, so you don't have to spend countless hours manually sanding. Its diamond bonded construction provides a longer lifespan than other grinding wheels and helps to reduce the risk of damage to your projects. The 360.99 Diamond Wheel is the perfect choice for grinding and polishing, giving you a professional finish every time.