5596PK Spring Nut, Nut Shape U Style Spring Nut, Nut Finish Phosphate, Nut Material Steel, Minimum Panel Thickness 0.8 mm, Maximum Panel Thickness 4 mm, Overall Width 15 mm, Overall Length 24 mm, Hole Center to Outside Edge 13.5 mm, System of Measurement Metric, Thread Size M6-1.00, Cage Finish Phosphate, Cage Material Steel, Clip-On Style U, Color Black, Head Height 13 mm, Package Quantity 25