Jergens®, 27557, Locking Plunger, Hand Retractable, 19 mm Diameter Body, M10 x 1.5 Thread, 19 mm Thread Length, 5 mm Length Under Flange, 19 mm Plunger Diameter, 0.34 kg Initial End Force, 1.815 kg Final End Force, 7.9 mm Plunger Projection, Steel Body, Zinc Plated