5751PK Spring Nut, Nut Shape U Style Spring Nut, Nut Finish Phosphate, Nut Material Steel, Minimum Panel Thickness 0.02 in, Maximum Panel Thickness 0.15 in, Overall Width 0.625 in, Overall Length 0.875 in, Hole Center to Outside Edge 0.344 in, System of Measurement Inch, Thread Size #10, Cage Finish Phosphate, Cage Material Steel, Clip-On Style U, Color Black, Head Height 0.313 in, Package Quantity 25