Working with concrete, granite, marble, or other stones? This STADEA Diamond Polishing Pad is a fantastic tool to have! It's a 5-inch pad with a grit of 50, perfect for aggressive grinding and leveling. The pad is 2.2mm thick, flexible, and designed for wet polishing—so you'll want to use it with water to keep dust down and extend the pad's life. It has a Velcro back for easy attachment to your polisher, and there's a water hole in the center for cooling. It works great on concrete countertops, floors, and edges, and also does a good job on marble, travertine, terrazzo, and even granite edges. For super hard stones like granite on flat surfaces, you might want a different pad later, but this one is an excellent starter. Maximum recommended RPM is 4500, but around 2200 is ideal for best results. Each pad can cover roughly 30-60 square feet, depending on how rough the surface is. It's a professional-grade pad but priced really competitively, so it's a huge money-saver for DIYers or pros. Whether you're polishing a concrete floor, a stone countertop, or doing edge work, this pad delivers solid performance. Just pair it with a good wet polisher, and you're all set!