Jergens®, 11033, Press Fit Plunger, Light Force, 0.25 in Diameter Body, 0.481 in Body Length, 0.187 in Plunger Diameter, 1.5 lb Initial End Force, 3.5 lb Final End Force, 0.070 in Plunger Projection, Low Carbon Steel Body, 400 Stainless Steel Nose, Black Oxide