Jergens®, 11034, Press Fit Plunger, Heavy Force, 0.25 in Diameter Body, 0.481 in Body Length, 0.187 in Plunger Diameter, 3 lb Initial End Force, 7 lb Final End Force, 0.07 in Plunger Projection, Low Carbon Steel Body, 400 Stainless Steel Nose, Black Oxide