(10) BRASS open top type oil cups for mini model gas or steam engines, three different sizes NEW! Four are 3/16 dia. with 4-40 thread and are 7/16" tall total. Four are 1/4" dia. with 6-32 thread and are 5/8" tall total. Two are 3/8" in Dia. with 10-32 thread, and are 3/4" tall total. All are capless or open top type. All are made by Debolt Machine Inc. All are as shown in the photo and sell with no Reserve!