The Mr. Hard Water Knuckler Hand Scrubbing Tool is a reusable, durable, tough scrubbing block. Durable and great for cleaning edges, flat, or curved surfaces. Use with gold or silver knuckler Cleaning Pads. Easy to change out. Uses include windshields, windows, mirrors, shower doors, glass table tops, pool & tile, porcelain, ceramic stove tops, glass table tops, and more.
