For intensive cleaning of concrete and industrial floors. The washable double-sided disc resists clogging and dirt. Consistent, proven performance with long-lasting discs. Consistently proven functionality with long-life blades. Scotch Brite black premium floor discs are the industry standard for wet removal of old soiled topsoil or heavy-duty cleaning. Thanks to the open weave construction, this washable, reusable roll resists clogging and soiling.