American Educational 7-000-104 Alcohol Burner, 2-3/4" Diameter x 3-1/2" Height, 150mL Capacity 150mL alcohol burner for use with science experiments requiring a low heat source Polished metal body for durability Ratcheted wick control wheel for adjusting the flame Included cap for snuffing out the flame and preventing evaporation is attached to the burner by a chain