DescriptionSpecificationsDescription3/8-16, 3/4" Thread Length, 0.185" Max Plunger Diam, 1 Lb Init to 8 Lb Final End Force, Locking Knob Handle Plunger Countersunk Knob, 0.22" Plunger ProjectionSpecificationsManufacturer Item No.HDLS-3-PT-GManufacturer NameGibraltar