138331003 Spring Nut, Nut Shape U Style Spring Nut, Nut Finish Phosphate, Nut Material Steel, Minimum Panel Thickness 1.5 mm, Maximum Panel Thickness 5.5 mm, Overall Width 17.5 mm, Overall Length 32.5 mm, Hole Center to Outside Edge 17.5 mm, System of Measurement Metric, Thread Size M10-1.50, Cage Finish Phosphate, Cage Material Steel, Clip-On Style U, Color Black, For Use in Systems Automotive, Furniture/Lawn, Garden Applications, Heavy Truck, HVAC, Lock Type Distorted Thread