Jergens 24903 Fixture Jacks; Serrated: No; Body Diameter (Inch): 1-1/2; Body Height (Inch): 2-3/4; Thread Size: 1-8; Stem Diameter (Inch): 13/16; Minimum Base of Flange To Tip (Inch): 7/8; Maximum Base of Flange To Tip (Inch): 3-1/2; Body Material: L