Manufacturer Part Number: 21681|End Type|End Style|Outside Diameter (Inch)|1/2Outside Diameter (Decimal Inch - 4 Decimals)|Outside Diameter (mm)|Spring Rate|64.0000Material|SteelOverall Length (Decimal Inch)|Overall Length (Inch)|5/8Overall Length (mm)|Initial Tension (Lb.)|Initial Tension (N)|Maximum Extended Length (mm)|Maximum Extended Length (Inch)|Maximum Extended Length (Decimal Inch)|Free Length (Inch)|Free Length (mm)|Standards|Inside Hook Length (Fractional Inch)|Body Length (Inch)|Finish/Coating|Wire Size (mm)|Body Length (Decimal Inch)|Number Of Pieces|Maximum Work Load (Lb.)|Wire Size (Decimal Inch)|Product Service Code|UNSPSC Code|