The Dirt Devil Abrasive Bristle Brush Set is perfect for intensive scrubbing and tough messes. Ideal for removing dirt, grime and stains on tough materials like brick, concrete, rusted metal and more, these abrasive scrubbers are the quick and easy solution to tough and intimidating messes. When the job is done, the brush is easy to rinse out and is durable enough to be used time after time, making intense scrubbing more accessible than ever. Simply attach to any ¼" hex bit attachment point and get to work.