Jergens®, 11036, Press Fit Plunger, Heavy Force, 0.375 in Diameter Body, 0.785 in Body Length, 0.312 in Plunger Diameter, 5 lb Initial End Force, 14 lb Final End Force, 0.11 in Plunger Projection, Low Carbon Steel Body, 400 Stainless Steel Nose, Black Oxide