CHANGE MOORE Wet Diamond Polishing Pads Set 5 Inch for Marble Granite Travertine Terrazzo Concrete Stones Quartz Countertop Floor, 10 PCS and 1 Rubber Backing Pad (5/8" Arbor)

Works great... polished my concrete mantle in less than an hour. No probs

Purchased to grind concrete countertops. Worked like a charm and lasted the entire project. Highly recommend