Sea-Dog Boat Hook Silicone Squeegee [491100-1]Boat Hook Silicone Squeegee Heavy duty silicone blade provides a wide (12) coverage area to easily clean and clear any type of window or marine surface. Comfort grip allows for manual use or attach to any Sea Dog boat hook and all universal threaded devices. Universal Acme Thread WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information