PLUNGER Knob Plunger Type Knurled Head, Locking Overall Length 1.58 Inch Nominal Size 3/8 Inch TPI 16 Nose Length 0.18 Inch Nose Diameter 0.25 Inch End Pressure 0.25 Pound Initial, 2 Pound Final Plunger Material Steel Nose Material Delrin Retracted...