The Tom 22 inch Magical Cleaning Rod comes with a dual metal/plastic scraper for both glass and acrylic. Scrapes algae, removes waster and polishes aquarium surfacesComes with both a stainless steel blade for glass surfaces and a plastic blade for plastic surfacesThe polishing attachment curves 90 degrees to better reach surfacesShovel attachment can be used to remove fish waste, food remnants and other undesirable objects