Specifiaction:*Made of fine engineering plastic, resisting and anti-aging.*Compact structure, clean to install and use.*Stable performance, long provider life.*Material: Plastic*Color: Black*Thread: M15x1.50mm, incorporated gasket seal*Hatunction: Air compressor breather, vent hat, anti oil injection, breathing valve*Quantity: 1pcPackage Included:1 x Oil Cap Plug1 x Gasket sealNote:1. The genuine colour of the thing could also be slightly assorted from the images shown on web page attributable to many factors comparable to brightness of your video display and light-weight brightness.2. Please allow slight handbook dimension deviation for the data.