This is a *7 Inch / 180mm Plastic Backing Pad for Polishing Machine*.
It is the yellow foam type backing pad with velcro attachment, size 7" (180mm), made to fit angle polishers and car polishing machines. It holds the polishing sponge / buffing pad for car polishing, tile polishing, terrazzo and marble buffing. The plastic backing makes it flexible and durable for smooth finishing without scratching the surface. Brand new packed, ideal for garage, car wash and terrazzo polishing works.