1Leakproof: This quick twist oil drain valve has 3 backup mechanisms, which can prevent against the oil leakage. And its O ring can also prevent leaking. 2Unique Deisgn: This quick twist oil drain valve, which is compact. And this design has been adopted to allow more working space during oil changes and to allow a larger clearance for the drain pan. 3Solid Construction: This quick twist oil drain valve is made of metal material, which has rugged construction. And wave spring technology allows for quick oil drainage. 4Ideal Replacement: Exquisite workmanship and beautiful appearance, replace your old, damaged or broken case with this new one. 5Easy to Install: This quick twist oil drain valve is easy and convenient to install and remove, which requires no complicated operation.