Description: This drain valve has 1/8 inch NPT threads. It would also work great as a compression release for easy starting.  It is about 1 1/4 inches long over all.  A nice looking solid brass with lever handle drain cock.   Also available with other thread sizes and styles in our ebay store.  A nice quality MADE in the USA brass piece with some good solid weight to it!  If you need several we can offer a combined price on 3 or more.