ITEM NAME:DC 12V 1/4" 2 Way Normally Closed Pneumatic Aluminum Electric Solenoid Air Valve.Armature Tube Material: Brass. 1 x Solenoid Valve. Valve Type: 2 Way Normally Closed (Valve opens with energized). Body Material: Aluminum. Due to the difference between different monitors, the picture may not reflect the actual color of the item.