The Aervoe Marking Stick is designed to dispense marking paints to form lines, numbers, words and more. It is ideal for consistent markings over long distances. Delivers professional performance with comfort and durability. Works With: Aerosol marking paint, Application: Marking, Common Usage: Construction, surveying Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.