2pcs Drain Valve Tool 3/8 BSP Threaded Brass Compatible with Hotdog Air Rotary Control Exhaust Bleed Compressor

Use to replace old or damaged drain valves on compressor tanks. Drain air from tanks before replacing the drain valve. Do not close until the water is drained. Both are BSP threaded, 3/8 inch drain valve (16 mm/0.63 inch diameter) as shown in the picture. The screw adjustment design, it is easy to use and install. Widely used for low noise air pump, carpentry paint compressor, etc.