Strengthening metal frame with zinc plated, durable and longevity Anti-aged rubber, fixed by ... screws, firm and strong. Heavy Straight Metal Floor Squeegee Head with Rubber BladeFour sizes for your choice D10618: 18" D10622: 22 ... , adapt to cleaning in any conditions2. Rubber blades are secured with rust resistant screws, cleaning freely. 3. There are straight and ...