Manufacturer Part Number: 9-2010-21|System Of Measurement|Hole Diameter (Inch)|1-1/4Hole Diameter (Decimal Inch)|Hole Diameter (Mm) ( - 0 Decimals)|Free Length (mm)|Free Length (Inch)|2-1/2Duty Rating|Color|BlueMaximum Operating Deflection (Percent)|Maximum Deflection Load (Lb.)|50.10Maximum Deflection Load (N)|Maximum Deflection (Decimal Inch)|0.9400Maximum Deflection (mm)|Wire Shape|D-ShapedMaterial|Chromium Vanadium SteelRod Diameter (Inch)|Rod Diameter (Decimal Inch)|Rod Diameter (mm)|Travel To Solid Load (mm)|Travel To Solid Load (Decimal Inch)|1.0000Spring Rate|Compressed Length At Maximum Load|Standards|ISO 10243 International Standard; ISO 9001:2015 Registered; NAAMS (North American Automotive Metric Standard)ISO Number|Product Service Code|UNSPSC Code|