Fully Threaded Rod, Material Grade/Class Class 4.8, Material Steel, Finish Black Oxide, Thread Size M56x5.5, Overall Length 1 m, Tensile Strength 55,000 psi, System of Measurement Metric, Thread Direction Right Hand, Dimensional Standards DIN 976, Color Silver, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Minimum Yield Strength 30,000 psi, Rockwell Hardness B67 Min