These oil drain valves are an ingenious new system from Stahlbus and have been developed so you can perform an oil change completely safe and clean - no more hot oil to contend with or dropping the sump plug in your drain tub.Makes oil changes cleaner and fuss freeReduces the risk of hot oil spilling onto hands or armsNo more dropping the sump plug into the drain panThe Stahlbus oil drain valve is a simple and easy retro fit, replacing the existing drain plug. When the time comes to change your engine, or transmission oil, simply unscrew the cap and connect the hose (supplied) via the quick release system. Only once this is locked in place does the valve open and the oil can be drained into the provided container.Once all oil has been drained simply disconnect the hose connector and the valve closes automatically. Then simply replace the screw cap and you re ready to re-fill your machine with fresh oil.Kit contents: Valve body (CNC precision turned part made of high quality steel), Cop