NON MAGNETIC LIGHTED BOX BEAM LEVEL - The Lighting level combines our professional series box beam level design with the power of LED lighted technology. 3 vial lighted system is constructed using a single electronic mechanism to installed in one end cap and is powered by two AAA batteries. A super heavy duty aluminum frame houses industrial strength acrylic black vials and is finihsed with Super Shock end caps. Deep accurized V-groove for round and square stock. Durable LEDs wont burn out.