Description: Quality, Brass, Made in the USA grease cup. These are super nice greasers! Size #3.  1/2" NPT. Don't waste your time looking for old dirty and worn out cups when you can get these brand new!  We have a full selection of both steel and brass. Look under category "Engine Oilers & Grease Cups" in our ebay store.  Also available with other thread sizes and styles in our ebay store.  A nice quality MADE in the USA piece!