Cup, Grease Lubricator, Capacity 3 1/2 oz, Filled Height (In.) 6 7/32 in, Overall Dia. (In.) 2 1/2 in, Grease Applicator Single Point, Spring Loaded, Shank 3/8-18, Valve Speed 100-250, Red, Slow Feed for High Ambient Temperatures, Close or Tight Fitting Bearings and Intermittent Operations.