New 3 In 1 Oil Cup W/Grooves & Cups. This is a new 3 in 1 oil cup with grooves and cups. This has a metal base with a sliding plastic lid to cover the oils. It has three cups measuring 12, 13, and 14 mm. There are two grooves for holding oil pins. The base measures approximately 2 3/8" x 1 5/8" (60 x 41 mm) with a rubber grip on the bottom.