Incorporating Fumoto's most compact ball valve, Fumoto's FN series valves are designed to fit cars, light trucks, vans and select commercial engines. These models are equipped with a nipple which allows a hose to be attached for convenient draining. Constructed of forged brass and stainless steel to exacting Japanese specifications, the FN series valves are designed to provide a lifetime of dependable and reliable service. NOTE: The FN series are NOT RECOMMENDED for engines with low ground clearance. Specifications Diameter: 1/2" Thread Pitch: 20 UNF Gasket: 13 mm Nipple Dimension: 3/8" - 10 mm Nipple Length: 5/8" - 15 mm Weight: 3 oz The Fumoto Engine Oil Drain's spring assisted ball valve replaces your standard issue oil drain plug and makes oil changes easier, cleaner, and less time consuming. One Touch Operation. Allows for clean and mess free oil changes. Safely change your oil without contacting hot oil. Eliminates stripped threads and frozen plugs. Simple to install and operate. Reduces time to complete an oil change. Ideal for sampling analysis as a small amount of oil can be drawn without shutting off the engine.