Streamlight Face Cap Assembly for 2AA ProPolymer Flashlights is part of our huge selection of replacement Streamlight parts. The Streamlight 670002 is a Face Cap Assembly which integrates with the Streamlight 2AA ProPolymer Flashlight. Our wide assortment of Streamlight replacement parts lets you replace broken or worn parts on almost any Streamlight Flashlight - so you can keep your Streamlight 2AA ProPolymer Flashlights going strong for years to come!