TE-CO 41911 Spherical Flange Nuts; System of Measurement: Inch; Material: Steel; Thread Size (Inch): 1-1/4 - 7; Thread Size: 1 - 1/4 - 7 in; Height (Inch): 1-5/8; Flange Diameter (Inch): 2-1/2; Radius: 3 in; Flange Height (Inch): 1-1/4; Material Grad