This hand-held pad holder is an excellent tool for cleaning walls and tanks. It is also great for scrubbing stubborn dirt and cleaning underneath equipment. The clip mechanism is stainless steel, which prevents the pad from falling off one heavy with water. 250°F maximum temperature. Dishwasher safe. Polypropylene block material. Additional materials of stainless steel and nylon. 9.1" L x 3.8" W x 3" H.